Suppose an audible sound wave were being produced at a frequency of 800 cycles per second. If the frequency were doubled, the sound would become
A. softer.
B. louder.
C. higher in pitch.
D. lower in pitch.
Answer: C
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What occurs on the surface of the Sun during a solar cycle minimum?
a. decreased temperature of the photosphere b. reversal in rotation of the Sun c. little to no solar wind d. little to no sunspot activity e. partial dissipation of the corona
Green light has a shorter wavelength than orange light. In a 5-inch telescope, green light will:
A) provide better angular resolution than orange light. B) come to the same exact focus as orange light. C) provide worse angular resolution than orange light. D) allow dimmer stars to be observed. E) reduce the effects of atmospheric turbulence.
To be dimensionally consistent, velocity [L/T], force 
mass [M], and length [L] must be related as follows.
A. 
B. 
C. 
D. velocity = force length/mass
The acceleration due to gravity has the same value for all free-falling objects, regardless of their mass or weight
Indicate whether the statement is true or false