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Lesson Posted on 04/03/2021 Learn IIT JEE Mains Coaching

Rajan Mittal

I am an Engineer by qualification and a teacher by profession. I have been teaching since 1995. I teach...

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Comments Lesson Posted on 02/03/2021 Learn IIT JEE Mains Coaching

JEE main 24-2-2021 Detailed video solution Physics Q1 - Q4

Rajan Mittal

I am an Engineer by qualification and a teacher by profession. I have been teaching since 1995. I teach...

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Comments Lesson Posted on 02/03/2021 Learn IIT JEE Mains Coaching

NEET 2020 Physics Solutions Code E1 Q136 - Q140

Rajan Mittal

I am an Engineer by qualification and a teacher by profession. I have been teaching since 1995. I teach...

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Lesson Posted on 02/03/2021 Learn IIT JEE Mains Coaching

JEE main (24-2-2021 M ) Mathematics solutions Q 61 - Q64

Rajan Mittal

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Comments Lesson Posted on 03/03/2021 Learn IIT JEE Mains Coaching

JEE main (24-2-2021 M ) Mathematics Solutions Q 65,67,68

Rajan Mittal

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Comments Lesson Posted on 26/12/2020 Learn IIT JEE Mains Coaching

Parallelogram Law of Vector Addition

Sunil Yadav

I started teaching in 2011 while pursuing my computer science degree. And, now it has been a wonderful...

In this video, we'll study the Parallelogram Law of Vector Addition with one example.

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Lesson Posted on 13/07/2019 Learn IIT JEE Mains Coaching

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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Comments Lesson Posted on 15/06/2019 Learn IIT JEE Mains Coaching

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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Comments Lesson Posted on 15/06/2019 Learn IIT JEE Mains Coaching

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 08/06/2017 Learn IIT JEE Mains Coaching

Winning Edge Academy.

you can look out for online tutors who can clear your doubts. Also there are many online forums available that can help you with the same. Look out for tricks that are available on Youtube. you can also opt for online test series.

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