Home Physics Electron, Photon, Photoelectric Effect and X-rays Hard X-rays of wavelength 0.1 Å allowed to fall o…
Physics Electron, Photon, Photoelectric Effect and X-rays Hard MCQ (Single Correct)

X-rays of wavelength 0.1 Å allowed to fall on a metal get scattered. The wavelength of scattered radiation is 0.111 Å. If h = 6.624 10 –34 J-s and m 0 = 9 10 –31 kg, then the direction of the scattered photons will be

A
cos –1 (0.547)
B
cos –1 (0.4484)
C
cos –1 (0.5)
D
cos –1 (0.3)

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Text Solution

Verified by Experts
The correct answer is:
A

Direction of scattered photon

Here

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