As the frequency of light increases, its energy ________.
A. moves more slowly
B. decreases
C. moves more quickly
D. increases
E. remains constant
Answer: D
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_________is the minimum distance between two points that can be observed.
Fill in the blank(s) with the appropriate word(s).
A planet with a higher reflectivity will do which of the following?
A) reflect more light and absorb less light B) reflect less light and absorb more light C) emit more light D) emit higher energy light E) transmit more light
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What will be an ideal response?
A simple pendulum and a mass oscillating on an ideal spring both have period T in an elevator at rest. If the elevator now moves downward at a uniform 2 m/s, what is true about the periods of these two systems?
A) Both periods would remain the same. B) Both periods would increase. C) Both periods would decrease. D) The period of the pendulum would increase but the period of the spring would stay the same. E) The period of the pendulum would decrease but the period of the spring would stay the same.