The energy of a photon
a. is proportional to the wavelength of the light.
b. is inversely proportional to the wavelength of the light.
c. depends only on the speed of the light.
d. depends only on the mass of the photon.
e. depends on both the mass and speed of the photon.
b
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What was the first evidence that quasars were different from astronomical objects before they were observed in visual wavelengths?
a. The first quasars were seen to have fuzz. b. Quasars emitted radio energy like active galaxies, but appeared to be point sources in radio wavelengths. c. Quasars showed significant gravitational lens effects. d. The spectra of quasars looked like that of an M dwarf. e. The large red shifts originally indicated that they were orbiting the center of the Milky Way.
What does the exclusion principle say?
A) Two fermions cannot occupy the same quantum state at the same time. B) No two particles of any type can ever occupy the same quantum state at the same time. C) If a particle has a precisely defined position it is excluded from having a precisely defined momentum. D) The laws of quantum mechanics are excluded from our common sense.
Which of the following is not a capacitance?
A.
B.
C.
D.
E.
State Huygen's principle
What will be an ideal response?