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An electron gun ejects electrons at an a...

An electron gun ejects electrons at an angle of `45^(@)` with magnetic field boundary as shown in Fig. Find the angular deviation of electrons as it comes out of field.

A

`45^(@)`

B

`90^(@)`

C

`60^(@)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Path of electron is shown. Deviation of electron will be
`theata=90^(@)`
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A2Z-SOURCE AND EFFECT OF MAGNETIC FIELD-Section D - Chapter End Test
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  11. A charged particle fo mass m and charge q enters along AB at point A ...

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  19. A proton (mass = 1.67xx10^(-27) kg and charge 1.6xx10^(-19) C) enters ...

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  20. An alpha particle travels in a circular path of radius 0.45 m in a mag...

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  21. A unifrom magnetic field B is acting from south to north and is of m...

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