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Given below are two statements labelled ...

Given below are two statements labelled as Assertion (A) and Reason (R)
Assertion(A): A proton and an electron, with same momenta, enter in a magnetic field in a direction at right angles to the lines of the force. The radius of the paths followed by them will be same.
Reason(R): Electron has less mass than the proton.
Select the most appropriate answer from the options given below:

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false and R is also false.

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