Question

Light is incident normally on a diffraction grating through which the first diffraction is seen at 32°. In this case second order diffraction will be at
a) 80° b) 64° c) 48° d) no 2nd order diffraction is there​

Answer 1

Answer:

(b) 64°✔✔✔✔✔✔✔

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Answer 2

answer is 64 degree

Explanation:

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