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Lesson Posted on 27/12/2019 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching

Jee Mains final tips

Hemanshu Gupta

1 Nice presentation so that students will be able to understand properly 2 Not only just teaching while...

1 Select any 15 papers 2 finish them by 4th Jan 3 after every paper, analyze the result 4 focus on mostly formula 5 focus on easy+meduim questions 6 obtain at least 150 marks if done properly read more

1 Select any 15 papers 

2 finish them by 4th Jan 

3 after every paper, analyze the result 

4 focus on mostly formula 

5 focus on easy+meduim questions 

6 obtain at least 150 marks if done properly 

 

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Lesson Posted on 13/07/2019 CBSE/Class 12/Science/Physics/Unit 3-Magnetic Effect of Current & Magnetism Exam Coaching/NEET-UG Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Foundation Course +1 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Mains Coaching less

Cyclotron Working

Institute of Conceptual Physics

Finding Physics Too Tough ? We can make it simple for you. Majority of Science Students suffer because...

Brief Intro to Cyclotron: The cyclotron is very important for Class XII Students. Its asked as a Long Answer Question in Class XII Examination. Linear Accelerators versus Cyclotron There are Linear Accelerators available, but Cyclotrons are Better for accelerating the charged particle because they... read more

Brief Intro to Cyclotron:

The cyclotron is very important for Class XII Students. Its asked as a Long Answer Question in Class XII Examination.

Linear Accelerators versus Cyclotron

There are Linear Accelerators available, but Cyclotrons are Better for accelerating the charged particle because they make the charged particle move in a Spiral and Hence the size of Cyclotron is manageable when compared to a Linear Accelerator. So a Cyclotron is Compact!

Best way to learn Cyclotron

1. One should study Each Part of Cyclotron ( Construction) and Understand its usage. Each Part of Cyclotron plays an Important part in working of Cyclotron.  The Main components of Cyclotron are:-

a) Dees -These are the Hollow Containers. The 2 Dees has a Small Gap between them.

b) Dees are connected to an Alternating Voltage Source (Not Direct Voltage)

c) Both the Dees are inside a magnetic field B.

d) There is a charged particle (using an Ion Source) which is sent at the centre of the Cyclotron into a Dee ( any of the two).

e) The Magnetic Field makes the Charge Particle move into a Circle.

f)  When the charged particle completes the semi-circle in a Dee the alternating voltage comes into play, i.e. the polarity is changed, and the charged particle is accelerated towards the other D using Alternating Voltage through the Gap between the 2 Dees.

g) The Charged particle again moves in a circle under the influence of the Magnetic Field but this time with larger radius because it went in with higher speed provided by the Alternating Voltage.

h) The process explained from e) to g) is repeated many times. The charged particle keeps on gaining velocity and moves spirally. ( Spiral means the Radius of the circle increases when it enters the other Dee, so the shape of motion is Spiral).

i) The charged particle is thus made to pass across the same electric field ( produced by Alternating Voltage) and Magnetic field.

2. The most crucial concept in Cyclotron is understanding the frequency of revolution as the Radius increases. Read that carefully as this point gets missed. The Period of the cyclotron is the time for which it stays inside the Dee.

3. The Best way to study Cyclotron is to first under the Physics Laws that Governs the working of Cyclotron. The Magnetic Field provides the required Centripetal Force to the Cyclotron for circular motion, and Electric field provides it with the Required Linear acceleration, i.e. increase in velocity.

4. A Cyclotron keeps on increase the Velocity and hence Kinetic Energy of the Charged Particle.

In medical science, Cyclotrons are used to Treat Cancer by providing Proton Therapy. The accelerated Protons penetrate the body to destroy the Tumour.

Electrons are generally not accelerated using a cyclotron because they have very light mass. If they are accelerated the speed becomes very very high. The speed change should be in synch with the frequency of the electric field.

Challenge Question What is the use of Oscillator (source of the electric field) connected to Cyclotron? How does the Frequency of Cyclotron impact the working of Cyclotron?

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Lesson Posted on 15/06/2019 CBSE/Class 10/Science/Unit IV: Effects of Current/Magnetic Effects of Electric Current CBSE/Class 12/Science/Physics/Unit 3-Magnetic Effect of Current & Magnetism Exam Coaching/NEET-UG Coaching +2 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Foundation Course Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Mains Coaching less

Magnetic effects of Current Numerical Solving

Institute of Conceptual Physics

Finding Physics Too Tough ? We can make it simple for you. Majority of Science Students suffer because...

It is just a sample. Will post some more examples.Magnetic Effects of Current numerical are typically concerned with Biot Svart Law. The primary sources of confusion in these Numerical are:-1. The direction of magnetic Field. The current carrying conductors carry a Current and that Current produced a... read more

It is just a sample. Will post some more examples.
Magnetic Effects of Current numerical are typically concerned with Biot Svart Law. The primary sources of confusion in these Numerical are:-
1. The direction of magnetic Field. The current carrying conductors carry a Current and that Current produced a B whose direction should be carefully decided using Right Hand Thumb Rule. One must understand the Right Hand Thumb Rule Carefully.
2. Please also note that Biot Savart Law Requires one to be smart in applying Integral Calculus. Because the shape of the current carrying conductor can be anything. Generally, we get numerical on Circular Loop, Square Loop. Straight Conductors of infinite length which are very easy,
3. Application of vectors. Since we have to finally find the Resultant of B ( Magnetic field due to multiple sources of B ), the knowledge of vectors needs to be very good. So reread vectors.
4. The angle between dl vector and the r vector. Dl points in the direction of current and r vector points in the course of the point where the Field is desired. Dl→">.

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Lesson Posted on 15/06/2019 CBSE/Class 11/Science/Physics Exam Coaching/NEET-UG Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Foundation Course +1 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Mains Coaching less

Useful Collision Concepts Two dimensional Collision

Institute of Conceptual Physics

Finding Physics Too Tough ? We can make it simple for you. Majority of Science Students suffer because...

We should note the following concepts when solving a Two-Body Collision Numerical:-Distance Between the centres of two Bodies -"b."When we have two objects colliding with each other, we assume both are in the same straight line, i.e. the centre of both the objects are precisely on the same straight line.... read more

We should note the following concepts when solving a Two-Body Collision Numerical:-
Distance Between the centres of two Bodies -"b."
When we have two objects colliding with each other, we assume both are in the same straight line, i.e. the centre of both the objects are precisely on the same straight line. These Collisions are Called Head-On Collisions.  But that may not be the case always. In reality, we still have a Collision in which there exists a distance between the centre of lines of two bodies. This distance is called the Impact Parameter.
Scattering Angles
After the collision, both the bodies move along different angles called scattering angles.
Explosion Collision
If there is an explosion during the collision, the overall Kinetic Energy increase, but the linear Momentum remains constant.
Perfectly Inelastic Collisions
If the two colliding bodies Stick together after Collision, we say its a Perfectly Inelastic Collision. The maximum loss of Kinetic Energy happens. Kinetic Energy gets lost in the form of Sound and Heat.

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Answered on 03/06/2019 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching

Krunal M

Tutor

R1 =2 R2 =5 R2-R1=3>0 So there is only one tangent is possible
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Answered on 21/04/2019 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching

Kousik Manna

Chemistry Tutor

It depends on you.
Answers 18 Comments
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Answered on 24/06/2018 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Advanced Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Crash Course +5 Tuition/BSc Tuition Tuition/BTech Tuition CBSE/Class 11/Commerce/Economics CBSE/Class 11/Science/Chemistry CBSE/Class 11/Commerce less

Sreenivasa Reddy Ummadi

No effect for 12th board exam bcoz coaching is purely based on concepts application or rotation so it help in board examination also.
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Answered on 17/07/2018 Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Advanced Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Crash Course +5 Tuition/BSc Tuition Tuition/BTech Tuition CBSE/Class 11/Commerce/Economics CBSE/Class 11/Science/Chemistry CBSE/Class 11/Commerce less

Manoj Sharma

you better buy IIT notes from delhi( mukharjee nagar, gtb nagar, hauz khas). Prepare your NCERT books along with back exercise of some referal books( pardeep, SL Arora). and must solve previous year papers.
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Lesson Posted on 25/03/2018 CBSE/Class 12/Science/Mathematics CBSE/Class 11 CBSE/Class 10/Mathematics/UNIT III: Coordinate Geometry/Coordinate geometry/Class 10 Difference between two points and section formula +7 Tuition/Class XI-XII Tuition (PUC) Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Advanced Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Crash Course Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Foundation Course Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Integrated Coaching Exam Coaching/Engineering Entrance Coaching/IIT JEE Coaching/IIT JEE Mains Coaching less

Class 11th - Maths

GOODWILL GATE2IIT

Calculate slope of a line(AB) formed by joining the co-ordinates A(-3, 5) and B(4,8)
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