Which of the following is not a prediction made by the theory of relativity?
A) Observers in different reference frames may disagree about the basic laws of nature.
B) No material object sent outward from Earth can reach or exceed the speed of light.
C) E = mc2
D) Observers in different reference frames may disagree about whether two events in two different places occur simultaneously.
A) Observers in different reference frames may disagree about the basic laws of nature.
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Emission nebulae like M42 occur only near stars that emit large amounts of
A) infrared heat. B) X-rays and gamma rays. C) microwaves. D) ultraviolet radiation. E) visible light.
What is the maximum number of electrons that can occupy the g subshell?
A) 10 B) 14 C) 18 D) 22
How does Pluto's mass compare with that of Earth's Moon?
a) The Moon is roughly 7 times more massive than Pluto. b) Pluto is roughly 7 times more massive that the Moon. c) They both have the same mass. d) Pluto's mass is roughly 1/20th the mass of the Moon. e) The Moon's mass is roughly 1/20th the mass of Pluto.
In a famous experiment done at the end of the 19th century, two metal electrodes were placed in an evacuated glass tube. A high voltage was applied between them. By using an appropriate metal for the cathode (e.g., sodium or potassium),
it was found that a current could be made to flow when the cathode was illuminated with blue light, but no current would flow when red light was used, no matter how bright the light. Einstein was able to explain this strange phenomenon, and as a result, this experiment was considered the first experimental demonstration of A) the particle nature of light. B) the wave nature of electrons. C) the particle nature of electrons. D) the wave nature of light. E) the equivalency of electron and photons.