When white light disperses as it passes through a prism, which of the following colors moves at the lowest speed in the prism?
a. blue
b. green
c. yellow
d. red
a
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Loops of glowing hydrogen seen hanging over the solar limb during totality are
A) solar rainbows. B) haloes. C) prominences. D) filaments. E) flares.
Astronomers knew for some time that the rings of Saturn are thin, because they could see stars through the rings.
Answer the following statement true (T) or false (F)
One of the harmonics of a string fixed at both ends has a frequency of 52.2 Hz and the next higher harmonic has a frequency of 60.9 Hz. What is the fundamental frequency of the string?
A) 26.1 Hz B) 8.7 Hz C) 4.35 Hz D) 30.4 Hz E) 17.4 Hz
If a particle has a total energy that is 5.00 times its rest energy, the speed of the particle is closest to which one of the following values?
A) 0.998c B) 0.980c C) 0.950c D) 0.985c E) 0.990c