Question:
A photon recoils back after striking an electron at rest. The change in wavelength of the photon is:
A photon recoils back after striking an electron at rest. The change in wavelength of the photon is:
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Maximum Compton shift occurs at \( 180^\circ \).
Updated On: Mar 26, 2025
- 0.048 Å
- 0.024 Å
- 0.48 Å
- 0.24 Å
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The Correct Option is B
Solution and Explanation
Using the Compton shift formula:
\[ \Delta \lambda = \frac{h}{m_e c} (1 - \cos \theta) \] For backscattering (\(\theta = 180^\circ\)), we get:
\[ \Delta \lambda = 0.024 \text{ Å}. \]
\[ \Delta \lambda = \frac{h}{m_e c} (1 - \cos \theta) \] For backscattering (\(\theta = 180^\circ\)), we get:
\[ \Delta \lambda = 0.024 \text{ Å}. \]
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