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Assertion : When the speed of an electro...

Assertion : When the speed of an electron increases its specific charge decreases.
Reason : Specific charge is the ratio of the change to mass.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion.

B

If both assertion and reason are true but reason is not the correct explanation of the assertion.

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
B

`m=m_0/(sqrt(1-v^2/c^2))`
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