A photon whose wavelength is = 5.0 × 10^-11 m is scattered straight backward. What is the wavelength of the scattered wave?
a. 5.0 × 10^-11 m
b. 4.5 × 10^-11 m
c. 5.5 × 10^-11 m
d. 6.0 × 10^-11 m
e. 6.5 × 10^-11 m
C
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A. 0.25 B B. 0.063 B C. 0.025 B D. 0.00063 B
One person holds a spring scale while another pulls until the scale reads 32 N. What is the force that the person holding the scale applies?
A. 32 N B. 16 N C. 64 N D. 48 N E. 0.0 N
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Kinetic Energy: Calculate the amount of energy needed to accelerate an electron from 0.888 c to 0.991 c. Express your answer in MeV. The mass energy of an electron is 0.511 MeV.
A. 2.71 MeV B. 1.89 MeV C. 4.60 MeV D. 5.68 MeV