A horizontally-projected beam of electrons travelling at 55 km/s travels between two parallel plates between which there is an electric field. The beam travels exactly horizontally the whole time it is between the plates. What does this imply about the electric field between the plates?
A. It is 0.
B. It is 56 pV/m upward.
C. It is 56 pV/m downward.
D. It doesn’t imply anything in particular.
C. It is 56 pV/m downward.
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a. True b. False Indicate whether the statement is true or false
An x-ray photon with wavelength 15.0 pm is scattered at 
by an electron. What is the wavelength of the scattered photon?
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Fill in the blank(s) with correct word
A circular coil of copper wire is lying flat on a horizontal table. A bar magnet is held above the center of the coil with its south pole downward. The magnet is released from rest and falls toward the coil
As viewed from above, what is the direction of the current induced in the coil as the magnet approaches the coil? A) counterclockwise B) clockwise C) No current is induced in the coil. D) An emf but no current is induced in the coil.