Question 1
A pendulum located where

has a 0.500 kg bob and a 4.00 Hz oscillation frequency. If it is released from a point 0.150 m above the lowest point it reaches, the number of quanta in this oscillation is
◦
2.77 × 1032.
◦
1.11 × 1033.
◦
4.87 × 10−34.
◦
0.184.
◦
4.00.
Question 2
A photon collides with an electron. After the collision the wavelength of the scattered wave at a scattering angle greater than

is
◦
greater than or equal to the initial wavelength.
◦
equal to the initial wavelength.
◦
less than or equal to the initial wavelength.
◦
greater than the initial wavelength.
◦
less or greater depending on the scattering angle.