Physics · 2013
NEET 2013 · 5 May · Code W · Q42
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…
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 ?
Official answer
(3)
The angular width of the central maximum will decrease.
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NEET (UG) 2013 Physics question, with the answer from NTA’s final answer key. Where our answers come from.