Question

.105 The wavelength of light which produces second order spectrum on diffraction
grating on which 5000 lines/cm are ruled at an angle of 30° will be:
A) 6 x 10-7 m
C) 5 x 10 m
B) 4 x 10m
D) 3 x 10 m
looules at 273K if mean square speed is 500 m/s2​

Answer 1

Answer:

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Explanation:

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