The white light from the Sun is a
A) compliment of the surrounding blue sky.
B) composite of light of all the visible frequencies.
C) mixture of selected frequencies of light.
Answer: B
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The type of detector that uses liquid hydrogen is a
A) Geiger tube. B) spark chamber. C) scintillation counter. D) cloud chamber. E) bubble chamber.
An object is 10 cm in front of a concave spherical mirror with a focal length of magnitude 3.0 cm. Where is the image?
A) 13 cm from the mirror B) 7.0 cm from the mirror C) 4.3 cm from the mirror D) 3.3 cm from the mirror
An air mass derives its characteristics from its
a. temperature. b. surroundings. c. location. d. source region.
What quantity is the same for three resistors in a parallel circuit?
a. power b. resistance c. voltage across them d. current