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Circular Kinematics

An electron a...

Question

An electron and a proton with equal momentum enter perpendicularly into a uniform magnetic field, then

A

The path of proton shall be more curved than that of electron

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B

The path of proton shall be less curved than that of electron

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C

Both are equally curved

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D

Path of both will be straight line

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Solution

The correct option is C Both are equally curved
$r = \frac{m v}{q B}$

Since both have same momentum, therefore the circular path of both will have the same radius.

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