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In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of   The direction  of the first secondary maximum is given by

a)

b)

c)

d)



Question ID - 150190 | SaraNextGen Top Answer

In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of   The direction  of the first secondary maximum is given by

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

For first diffraction minimum

For first secondary maximum

Or

Or

127 votes


127