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A parallel beam of fast moving electrons...

A parallel beam of fast moving electrons is incident normally on a narrow slit. A fluorescent screen is placed at a large distance from the slit. If the speed of the electrons is increased, which of the following statements is correct ?

A

The angular width of the central maxima will be unaffected

B

Diffraction pattern is not observed on the screen in the case of electron.

C

The angular width of the central maximum of the diffraction pattern will increase.

D

The angular width of the central maximum will decrease.

Text Solution

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The correct Answer is:
D
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