The development of physics since about 1900 is called
a. neoclassical physics.
b. Newtonian physics.
c. classical physics.
d. modern physics.
d
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Compared with the spectral lines in the solar spectrum, lines in a supergiant spectrum are
a. sharper. b. broader. c. weaker. d. stronger. e. broader and weaker.
The Galilean satellites orbit
a. Jupiter. b. Saturn. c. Uranus. d. Neptune. e. Jupiter, Saturn, Uranus, and Neptune.
The summer solstice is east of the vernal equinox by 6 hours of right ascension
Indicate whether the statement is true or false
A light beam with wavelength 500 nm is reflected constructively from a thin layer of oil having index of refraction 1.25
The oil floats on the top of water of index of refraction 1.33. What is the minimum thickness of the layer of oil? A) 100 nm B) 150 nm C) 175 nm D) 200 nm E) 225 nm