A metal surface is illuminated with blue light and electrons are ejected at a given rate each with a certain amount of energy. If the intensity of the blue light is increased, electrons are ejected
A) at the same rate, but with more energy per electron.
B) at the same rate, but with less energy per electron.
C) at an increased rate with no change in energy per electron.
D) at a reduced rate with no change in energy per electron.
C
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Diffuse, scattered light attributable to ground lighting sources
A. Circadian Rhythm
B. Glare
C. Vincent Van Gogh
D. International Dark-Sky Association
E. Shielding
F. Sky Glow
The main asteroid belt lies between the orbits of ________.
A. Earth and Mars B. Venus and Earth C. Mars and Jupiter D. Saturn and Jupiter E. Pluto and the Oort cloud
The following equation was obtained by solving a physics problem: 
The best physical representation of the situation is
A. A car traveling at 16.0 m/s is 19.2° into a turn of a quarter circle on a level road. B. A mass on a string that is originally horizontal has fallen to where the angle between the string and the vertical direction is 19.2°. C. A mass on a string originally horizontal has fallen 19.2° from the horizontal direction. D. A car traveling at 16.0 m/s is on a circular curve banked at 19.2°. E. A car traveling at 16.0 m/s and going over a semicircular mountain-top road is 19.2° down from the top.
A magnifying glass with focal length 15 cm is placed 10 cm above a stamp. The image of the stamp is located 30 cm above the magnifying glass
a. True b. False Indicate whether the statement is true or false