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X-rays of wavelength 0.140 n-m are scatt...

X-rays of wavelength 0.140 n-m are scattered from a block of carbon. What will be the wavelengths of X-rays scattered at `90^0` ?

A

0.140 n-m

B

0.142 n-m

C

0.144 n-m

D

0.146 n-m

Text Solution

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The correct Answer is:
B
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