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If an X-Ray Beam of Wavelength 1

Question 13

Multiple Choice

If an X-ray beam of wavelength 1.4 × 10-10 m makes an angle of 20° with a set of planes in a crystal causing first order constructive interference,at what angle will the second order line appear?


A) 40°
B) 20°
C) 43°
D) 4.0°
E) 11°

Correct Answer:

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