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An electron is not deflected on passing ...

An electron is not deflected on passing through a certain region , because

A

If both assertion and reason are ture 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 both are false.

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

If electrons is moving parallel to the magnetic field, then the elecron is not deflected i.e., if eletron is not deflected we cannot be sure that there is no magnetic field in that region.
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