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Pritesh Modi

Learn Physics

Vasna, Ahmedabad, India- 380007.

UrbanPro students 14 Students (14 from UrbanPro)

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Overview

I have completed M.Tech. from IIT kharagpur. During my stay at IIT kharagpur. I found that what is my passion and that's why I am here .

Currently I am working as Assistant Professor in Apollo Institute of Engineering and part time physics tutor.
I have 2 year teaching experience including 1 year at IIT kharagpur as Teaching Assistant and 4 years experience as counsellor.

I have also written an E-Book which was very appreciated by students.

My Unique approach to teach physics will make you to feel it.

Demo Class

No

Languages Spoken

English, Gujarati, Hindi

Education

Bachelor of Technology (B.Tech.) from Aeronautical Society of India in 2012.

Master of Engineering - Master of Technology (M.E./M.Tech.) from IIT Kharagpur in 2015.

Address

Vasna, Ahmedabad, India- 380007.

Class XI-XII Tuition (PUC) Overview

Class XI-XII Tuition (PUC)

Excellence Award Winner 2016

Best Class XI-XII Tuition Teacher in Ahmedabad

Board

IGCSE, International Baccalaureate, State, ISC/ICSE, CBSE

IB Subjects taught

Physics

ISC/ICSE Subjects taught

Physics

CBSE Subjects taught

Physics, Biology

IGCSE Subjects taught

Physics

Experience in School or College

Taught in School or College

Yes

State Syllabus Subjects taught

Physics

Class Location

Student's Home

Tutor's Home

Years of Experience in Class XI-XII Tuition (PUC)

2

Teaching Experience in detail in Class XI-XII Tuition (PUC)

During my M.Tech. study ,I found that I have keen interest in teaching Physics. I have one year teaching experience at IIT Kharagpur as teaching assistant. Currently I am working as Assistant Professor in Engineering college in Ahmedabad.

View all Classes

Documents (2)

Test Chapter 3 : Motion in Straight...

Test Chapter : Mechanical Properties...

Reviews (11)

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4.5 from 11 reviews

4.5/511
A

- by Aditya shah

attended Physics cbse

posted on 20 Jan, 2017

"Very helpful and bring confidence while giving exams. Marks are improved drastically. Concepts are cleared. "

J

- by Jaya

attended 9th std physics

posted on 31 Dec, 2016

"Mr.Pritesh is a very good tutor.He goes out of way to help us solving any problem.He is good at subject physics. We are happy with his way of teaching "

S

- by Selvi

attended Class XI-XII Tuition (PUC)

posted on 10 Dec, 2016

"Thanks to UrbanPro being in new place worried how could i get good tutor for my daughter,in no time i not only got response but an excellent and dedicated teacher .He is well versed in subject and his teaching and guidance helping her gaining confidence in subject. Thank you so much. "

P

- by Priyanka

attended BTech Tuition

posted on 22 Aug, 2016

"My interaction with Mr. Pritesh Modi was for almost four month. It was fun learning with him. His teaching was good. He used to tell us various study and research options available for the students for our betterment. The way he tries to simply the concepts is really interesting. His study material is quite precise for the respective topics. His nature is too friendly that students can share and take advise from him. "

Have you attended the class of Pritesh? Write a Review

Answers by Pritesh (25)

"What is Newtons 3rd Law?" in   Tuition/Class XI-XII Tuition (PUC)

Every action has equal and opposite reaction...

1
|
0

"As I have lot of free time. . .I want to learn something like Guitar or any instrument & any sport like basketball. ..and I also completed my bachelor's degree in CIVIL ENGINEERING stream. Will u help me what to do next?" in   Music/Instrumental Music/Guitar, Music/Instrumental Music/Guitar/Indian Film music, Sports Coaching/Basketball, More... Tuition/BTech Tuition Tuition/BTech Tuition/Civil Engineering Materials And Construction

Next you can do it to study nicely.I hope that you are in either 1st or 2nd year so this is the best time to prepare for GATE.After getting nice rank in GATE,you can get admission into IITs/NITs . Fee for IIT Kharagpur for one semester for M.Tech is apx 30000/- Rs (Including boarding,lauding and all fees) and they give you 12400/- per month as stipend . So you are getting M.Tech from IIT/NIT at free of cost. Only thing you have to do is to make your base strong. So concentrate on your study and make all concept clear. Best Wishes

0
|
0

"What are the best books to crack JEE examination?" in   Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching, Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Mains Coaching

Concepts of Physics Vol. 1 and Vol. 2 - best book for beginners Mechanics Part-1 & Part 2 by DC Pandey - the best book for rankers Understanding Physics Electricity and Magnetism by DC Pandey Understanding Physics for JEE Main & Advanced Optics & Modern Physics by DC Pandey Understanding Physics for JEE Main & Advanced Waves & Thermodynamics by DC Pandey You might rather want to buy the complete set of books - Understanding Physics Series (Set of 5 Books) by DC Pandey Problems In General Physics by IE Irodov - buy this book if you want some challenge Resnick Halliday - a great book for theory and non trivial problems New pattern Physics Book by DC Pandey - a great book for problems

0
|
0

"What is Pseudo force? Give one example?" in   Tuition/Class XI-XII Tuition (PUC)

Pseudo force is also called fictitious force. A fictitious force arises when a frame of reference is accelerating compared to a non-accelerating frame. For example if you consider a person standing at a bus stop watching an accelerating car, he infers that a force is exerted on the car and it is accelerating. Here there is no problem and the pseudoforce concept is not required But, if the person inside the accelerating car is looking at the person standing at the bus stop, he finds that the person is accelerating with respect to the car, though no force is acting on it. Here, the concept of pseudo force is required to convert the non-inertial frame of reference to an equivalent inertial frame of reference.

0
|
0

"What is the difference between impedance and resistance?" in   Tuition/Class XI-XII Tuition (PUC)

Resistance is a concept used for DC (direct currents) whereas impedance is the AC (alternating current) equivalent. Resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat. Different materials have different resistivities (a property defining how resistive a material of given dimensions will be). However, when considering AC you must remember that it oscillates as a sine wave so the sign is always changing. This means that other effects need to be considered - namely inductance and capacitance. Inductance is most obvious in coiled wire. When a current flows through a wire a circular magnetic field is created around it. If you coil the wire into a solenoid the fields around the wire sum up and you get a magnetic field similar to that of a bar magnet on the outside but you get a uniform magnetic field on the inside. With AC since the sign is always changing the direction of the field in the wires is always changing - so the magnetic field of the solenoid is also changing all the time. Now when field lines cut across a conductor an emf is generated in such a way to reduce the effects that created it (this is a combination of Lenz's and Faraday's laws which state mathematically that E=N*d(thi)/dt , where thi is the magnetic flux linkage). This means that when an AC current flows through a conductor a small back emf or back current is induced reducing the overall current. Capacitance is a property best illustrated by two metal plates separated by an insulator (which we call a capacitor). When current flows electrons build up on the negative plate. An electric field propagates and repels electrons on the opposite plate making it positively charged. Due to the build up of electrons on the negative plate incoming electrons are also repelled so the total current eventually falls to zero in an exponential decay. The capacitance is defined as the charge stored/displaced across a capacitor divided by the potential difference across it and can also be calculated by the size of the plates and the primitivity of the insulator. So simply resistance and impedance have different fundamental origins even though the calculation for their value is the same: R=V/I Impedance is a more general term for resistance that also includes reactance. In other words, resistance is the opposition to a steady electric current. Pure resistance does not change with frequency, and typically the only time only resistance is considered is with DC (direct current -- not changing) electricity. Reactance, however, is a measure of the type of opposition to AC electricity due to capacitance or inductance. This opposition varies with frequency. For example, a capacitor only allows DC current to flow for a short while until it is charged; at that point, current will stop flowing and it will look like an open. However, if a very high frequency is put across that capacitor (a signal that has a voltage which is changing very quickly back and forth), the capacitor will look like a short circuit. The capacitor has a reactance which is inversely proportional to frequency. An inductor has a reactance which is directly proportional to frequency -- DC flows through easily while high-frequency AC is stopped. Impedance is the total contribution of both -- resistance and reactance. This is important for AC analysis and design. At DC, reactive elements can be replaced with their steady-state model (capacitor->open,inductor->short) and resistance can be considered. (this isn't true for transient analysis) It is important to mention that while energy goes into both, it is only 'burned off' through resistance. Power has to be given in terms of resistive power and reactive power. Resistive power actually burns off energy into heat while reactive power simply stores energy in E-fields and B-fields. Often you'll hear about the 'impedance' of transmission lines, like the cables which run between components of your stereo system, and impedance of things like speakers. You'll also hear that it is important to match these or else you'll get reflection. This is a much more complicated subject, which a few answers have commented on in recent questions about light and its speed. However, what I want to mention is that when you hear about the impedance of a transmission line, like speaker cable or an antenna or coaxial cable or anything else, this does not represent energy which is "burned off" in the cable. This has to do with how energy is stored in the cable as it propagates down it. The cable does not (well, in reality it does, but assume the lossless case for simplicity) get hotter as a signal travels down it. It is not proper to think of a '75-ohm cable' as a 75-ohm 'resistor.' That 75-ohms is purely reactance (ideally, though there really is attenuation in real cables). Note that impedance and reactance are both given in units of 'ohms' just like resistance. Capacitance is measured in Farads and inductance in Henries, and these relate to impedance, but they are not measures of impedance. As I said, the impedance of a capacitor is inversely proportional to its capacitance and the impedance of an inductor directly proportional to its inductance. This may sound a little abstract. Impedance really is an abstraction of things that are far more complicated (things like time constants and rise times) that electrical engineers have to constantly consider. The idea of 'impedance' allows for many of these things to be wrapped up into one subject so that they are easier to communicate. The short answer is -- impedance includes reactance, and reactance includes effects which vary with frequency due to inductance and capacitance.

0
|
0

Pritesh address

x
Class XI-XII Tuition (PUC)

Excellence Award Winner 2016

Best Class XI-XII Tuition Teacher in Ahmedabad

Board

IGCSE, International Baccalaureate, State, ISC/ICSE, CBSE

IB Subjects taught

Physics

ISC/ICSE Subjects taught

Physics

CBSE Subjects taught

Physics, Biology

IGCSE Subjects taught

Physics

Experience in School or College

Taught in School or College

Yes

State Syllabus Subjects taught

Physics

Class Location

Student's Home

Tutor's Home

Years of Experience in Class XI-XII Tuition (PUC)

2

Teaching Experience in detail in Class XI-XII Tuition (PUC)

During my M.Tech. study ,I found that I have keen interest in teaching Physics. I have one year teaching experience at IIT Kharagpur as teaching assistant. Currently I am working as Assistant Professor in Engineering college in Ahmedabad.

"What is Newtons 3rd Law?" in   Tuition/Class XI-XII Tuition (PUC)

Every action has equal and opposite reaction...

1
|
0

"As I have lot of free time. . .I want to learn something like Guitar or any instrument & any sport like basketball. ..and I also completed my bachelor's degree in CIVIL ENGINEERING stream. Will u help me what to do next?" in   Music/Instrumental Music/Guitar, Music/Instrumental Music/Guitar/Indian Film music, Sports Coaching/Basketball, More... Tuition/BTech Tuition Tuition/BTech Tuition/Civil Engineering Materials And Construction

Next you can do it to study nicely.I hope that you are in either 1st or 2nd year so this is the best time to prepare for GATE.After getting nice rank in GATE,you can get admission into IITs/NITs . Fee for IIT Kharagpur for one semester for M.Tech is apx 30000/- Rs (Including boarding,lauding and all fees) and they give you 12400/- per month as stipend . So you are getting M.Tech from IIT/NIT at free of cost. Only thing you have to do is to make your base strong. So concentrate on your study and make all concept clear. Best Wishes

0
|
0

"What are the best books to crack JEE examination?" in   Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching, Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Mains Coaching

Concepts of Physics Vol. 1 and Vol. 2 - best book for beginners Mechanics Part-1 & Part 2 by DC Pandey - the best book for rankers Understanding Physics Electricity and Magnetism by DC Pandey Understanding Physics for JEE Main & Advanced Optics & Modern Physics by DC Pandey Understanding Physics for JEE Main & Advanced Waves & Thermodynamics by DC Pandey You might rather want to buy the complete set of books - Understanding Physics Series (Set of 5 Books) by DC Pandey Problems In General Physics by IE Irodov - buy this book if you want some challenge Resnick Halliday - a great book for theory and non trivial problems New pattern Physics Book by DC Pandey - a great book for problems

0
|
0

"What is Pseudo force? Give one example?" in   Tuition/Class XI-XII Tuition (PUC)

Pseudo force is also called fictitious force. A fictitious force arises when a frame of reference is accelerating compared to a non-accelerating frame. For example if you consider a person standing at a bus stop watching an accelerating car, he infers that a force is exerted on the car and it is accelerating. Here there is no problem and the pseudoforce concept is not required But, if the person inside the accelerating car is looking at the person standing at the bus stop, he finds that the person is accelerating with respect to the car, though no force is acting on it. Here, the concept of pseudo force is required to convert the non-inertial frame of reference to an equivalent inertial frame of reference.

0
|
0

"What is the difference between impedance and resistance?" in   Tuition/Class XI-XII Tuition (PUC)

Resistance is a concept used for DC (direct currents) whereas impedance is the AC (alternating current) equivalent. Resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat. Different materials have different resistivities (a property defining how resistive a material of given dimensions will be). However, when considering AC you must remember that it oscillates as a sine wave so the sign is always changing. This means that other effects need to be considered - namely inductance and capacitance. Inductance is most obvious in coiled wire. When a current flows through a wire a circular magnetic field is created around it. If you coil the wire into a solenoid the fields around the wire sum up and you get a magnetic field similar to that of a bar magnet on the outside but you get a uniform magnetic field on the inside. With AC since the sign is always changing the direction of the field in the wires is always changing - so the magnetic field of the solenoid is also changing all the time. Now when field lines cut across a conductor an emf is generated in such a way to reduce the effects that created it (this is a combination of Lenz's and Faraday's laws which state mathematically that E=N*d(thi)/dt , where thi is the magnetic flux linkage). This means that when an AC current flows through a conductor a small back emf or back current is induced reducing the overall current. Capacitance is a property best illustrated by two metal plates separated by an insulator (which we call a capacitor). When current flows electrons build up on the negative plate. An electric field propagates and repels electrons on the opposite plate making it positively charged. Due to the build up of electrons on the negative plate incoming electrons are also repelled so the total current eventually falls to zero in an exponential decay. The capacitance is defined as the charge stored/displaced across a capacitor divided by the potential difference across it and can also be calculated by the size of the plates and the primitivity of the insulator. So simply resistance and impedance have different fundamental origins even though the calculation for their value is the same: R=V/I Impedance is a more general term for resistance that also includes reactance. In other words, resistance is the opposition to a steady electric current. Pure resistance does not change with frequency, and typically the only time only resistance is considered is with DC (direct current -- not changing) electricity. Reactance, however, is a measure of the type of opposition to AC electricity due to capacitance or inductance. This opposition varies with frequency. For example, a capacitor only allows DC current to flow for a short while until it is charged; at that point, current will stop flowing and it will look like an open. However, if a very high frequency is put across that capacitor (a signal that has a voltage which is changing very quickly back and forth), the capacitor will look like a short circuit. The capacitor has a reactance which is inversely proportional to frequency. An inductor has a reactance which is directly proportional to frequency -- DC flows through easily while high-frequency AC is stopped. Impedance is the total contribution of both -- resistance and reactance. This is important for AC analysis and design. At DC, reactive elements can be replaced with their steady-state model (capacitor->open,inductor->short) and resistance can be considered. (this isn't true for transient analysis) It is important to mention that while energy goes into both, it is only 'burned off' through resistance. Power has to be given in terms of resistive power and reactive power. Resistive power actually burns off energy into heat while reactive power simply stores energy in E-fields and B-fields. Often you'll hear about the 'impedance' of transmission lines, like the cables which run between components of your stereo system, and impedance of things like speakers. You'll also hear that it is important to match these or else you'll get reflection. This is a much more complicated subject, which a few answers have commented on in recent questions about light and its speed. However, what I want to mention is that when you hear about the impedance of a transmission line, like speaker cable or an antenna or coaxial cable or anything else, this does not represent energy which is "burned off" in the cable. This has to do with how energy is stored in the cable as it propagates down it. The cable does not (well, in reality it does, but assume the lossless case for simplicity) get hotter as a signal travels down it. It is not proper to think of a '75-ohm cable' as a 75-ohm 'resistor.' That 75-ohms is purely reactance (ideally, though there really is attenuation in real cables). Note that impedance and reactance are both given in units of 'ohms' just like resistance. Capacitance is measured in Farads and inductance in Henries, and these relate to impedance, but they are not measures of impedance. As I said, the impedance of a capacitor is inversely proportional to its capacitance and the impedance of an inductor directly proportional to its inductance. This may sound a little abstract. Impedance really is an abstraction of things that are far more complicated (things like time constants and rise times) that electrical engineers have to constantly consider. The idea of 'impedance' allows for many of these things to be wrapped up into one subject so that they are easier to communicate. The short answer is -- impedance includes reactance, and reactance includes effects which vary with frequency due to inductance and capacitance.

0
|
0
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Pritesh Modi describes himself as Learn Physics. He conducts classes in Class XI-XII Tuition (PUC). Pritesh is located in Vasna, Ahmedabad. Pritesh takes at students Home and Regular Classes- at his Home. He has 2 years of teaching experience . Pritesh has completed Bachelor of Technology (B.Tech.) from Aeronautical Society of India in 2012 and Master of Engineering - Master of Technology (M.E./M.Tech.) from IIT Kharagpur in 2015. HeĀ is well versed in English, Gujarati and Hindi. Pritesh has got 11 reviews till now with 100% positive feedback.

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