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 0.6110 nm, what is the kinetic energy of the recoiling electron? (melectron = 9.11 × 10-31 kg, c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
A) 1.5 × 10-18 J
B) 1.9 × 10-18 J
C) 3.1 × 10-18 J
D) 4.3 × 10-18 J
E) 5.2 × 10-18 J


B

Physics & Space Science

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What would be different if this figure were drawn accurately to scale?

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Scientists have detected mergers of black holes that have spiraled into each other by

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Which star evolves off the MS first if all formed at once?

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Physics & Space Science