Radiation of intensity 
is incident on an area perpendicular to the incoming light. The area is now rotated 20 
about an axis perpendicular to the incoming light. What is the resulting power per unit area now reaching the surface?
A. 
B. 
C. 
D. 
E. 
B.
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A comet near the Sun whose orbit is ____ would never be near the Sun again
a. apogee b. circular c. elliptical d. hyperbolic e. radial
A conductor is placed in an electric field under electrostatic conditions. Which of the following statements is correct for this situation?
A) The electric field is zero inside the conductor. B) All valence electrons go to the surface of the conductor. C) The electric field on the surface of the conductor is perpendicular to the surface. D) All of the other answers apply.
When a gas in a container expands to twice its volume, with no change in temperature, its density
A) is half. B) doubles. C) quadruples. D) remains the same.
There are more large spiral galaxies than there are large elliptical galaxies
Indicate whether the statement is true or false