A Certain Photon,after Being Scattered from a Free Electron That $\left( m _ { \text {electron } } = 9.11 \times 10 ^ { - 31 } \mathrm {~kg} , \right.$

question 13

Multiple Choice

A certain photon,after being scattered from a free electron that was at rest,moves at an angle of 120° with respect to the incident direction.If the wavelength of the incident photon is 0.591 nm, what is the wavelength of the scattered photon? $\left( m _ { \text {electron } } = 9.11 \times 10 ^ { - 31 } \mathrm {~kg} , \right.$ $c = 3.00 \times 10^8 \mathrm {~m} / \mathrm { s }$ $h = 6.626 \times 10^{ - 34} \mathrm {~J} \cdot \mathrm { s } )$

• A)0.380 nm
• B)0 nm
• C)0.550 nm
• D)0.591 nm
• E)0.595 nm

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