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X rays of wavelength 0.15 nm are scattered from a block of carbon. What is the wavelength of X-rays scattered at 00?(a) 0.15 nm(b) 0.154 nm(c) 0.165 nm(d) 0.178 nm |
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Answer» Right answer is (a) 0.15 nm For explanation: As we know, (Deltalambda = frac{h}{m_0 c}(1 – cos heta)) Here, as cosθ = 1, Δλ = 0 Hence, λ’ = 0.15 nm. |
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