Quantum Physics - Photon Momentum - Photon Scattering - Compton Effect 1 Photon Scattering by Electron - Compton Effect E-hf E=hf A Before Before nm X After Ө Affec KE. (photon's momentum) -(1-cos) (Compton effect) -2.43x10-¹2m m₂c m.c 0 is between 0° and 180° The Planck constant is 6.626x10^-34 J s. The wavelength of the incident X-ray photon is 0.570 nm, 1nm = 10⁹m. The incident photon collides with the stationary electron. After the collision, the scattered photon's motion makes an angle = 112.0° from the incident direction. (a) Calculate the energy carried by the incident photon. Write the result in terms of 10-16 J. Keep 4 decimal places. Enter a number x10-10 Submit (b) What is the incident photon's momentum? Write the result in terms of 10-24 kg. m/s. Keep 3 decimal places. Enter a number x10-24kg. m/s Submit (c) What is the scattered pboton's wavelength in nm? Keep 4 decimal places. Enter a number Submit (d) What is the scattered photon's energy? Write the result in terms of 10-16 J. Keep 4 decimal places. Enter a number x10-16
Quantum Physics - Photon Momentum - Photon Scattering - Compton Effect 1 Photon Scattering by Electron - Compton Effect E-hf E=hf A Before Before nm X After Ө Affec KE. (photon's momentum) -(1-cos) (Compton effect) -2.43x10-¹2m m₂c m.c 0 is between 0° and 180° The Planck constant is 6.626x10^-34 J s. The wavelength of the incident X-ray photon is 0.570 nm, 1nm = 10⁹m. The incident photon collides with the stationary electron. After the collision, the scattered photon's motion makes an angle = 112.0° from the incident direction. (a) Calculate the energy carried by the incident photon. Write the result in terms of 10-16 J. Keep 4 decimal places. Enter a number x10-10 Submit (b) What is the incident photon's momentum? Write the result in terms of 10-24 kg. m/s. Keep 3 decimal places. Enter a number x10-24kg. m/s Submit (c) What is the scattered pboton's wavelength in nm? Keep 4 decimal places. Enter a number Submit (d) What is the scattered photon's energy? Write the result in terms of 10-16 J. Keep 4 decimal places. Enter a number x10-16
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Transcribed Image Text:Quantum Physics - Photon Momentum - Photon Scattering - Compton Effect 1
Photon Scattering by Electron - Compton Effect
E' = hf'
E = hf
2
Before
Before
X
After
Affec
KE₂ =
(photon's momentum)
h
mc
2-λ= -(1-cos) (Compton effect)
h -=2.43x10-¹2m
m₂c
0 is between
0° and 180°
The Planck constant is 6.626x10^-34 J s.
The wavelength of the incident X-ray photon is 0.570 nm, 1nm = 109m. The incident photon collides with the stationary electron.
After the collision, the scattered photon's motion makes an angle = 112.0° from the incident direction.
(a) Calculate the energy carried by the incident photon. Write the result in terms of 10-16 J. Keep 4 decimal places.
Enter a number
x10-16
Submit
(b) What is the incident photon's momentum? Write the result in terms of 10-24 kg - m/s . Keep 3 decimal places.
Enter a number
x10-24kg-m/s
Submit
(c) What is the scattered pboton's wavelength in nm? Keep 4 decimal places.
Enter a number
nm
Submit
(d) What is the scattered photon's energy? Write the result in terms of 10-16 J. Keep 4 decimal places.
x10-16
Enter a number
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