Question:

A parallel beam of fast moving electrons is incident normally on a narrow shit. 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?

Updated On: Apr 21, 2025
  • Diffraction pattern is not observed on the screen in the case of electrons
  • The angular width of the central maximum of the diffraction pattern will increase
  • The angular width of the central maximum will decrease
  • The angular width of the central maximum will be unaffected
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The Correct Option is C

Solution and Explanation

The correct option is (C): The angular width of the central maximum will decrease
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