Light of colors 1 and 2 are sent through a prism and the rays of light of color 2 bend more. Which of the following is not true?
a. The index of refraction for color 2 is greater than that for color 1.
b. The two colors of light have different frequencies associated with them.
c. The speed of light for color 2 is greater than that for color 1 in this prism.
d. The wavelength for color 1 is different than that for color 2 in this prism.
c
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An astronaut weighs 99 N on the Moon, where the acceleration of objects due to the gravitational attraction is 1.62 m/s2. How much does she weigh on Earth?
A) 16 N B) 61 N C) 99 N D) 600 N E) 440 N
The most distant objects yet detected in the universe are
a. quasars. b. pulsars. c. superclusters. d. globular clusters.
In chapter Q1, we noted that the speed of sound in air depends on the air’s temperature (increasing as the square root of the air temperature). Suppose a flute player tunes a flute that has been sitting in a cold automobile. As the flute warms up to room temperature, does it go sharp (A) or flat (B)?
A. Sharp B. Flat
An airplane flies in a semi-circular arc in order to simulate “weightlessness” for its occupants. If the speed at which the plane flies is 750 km/hr, what is the radius of the semicircular path it flies in?
A. 57 km B. 1.6 km C. 4.4 km D. 2.2 km E. 76 km