A quantum of light is called
A) a proton.
B) a neutron.
C) an electron.
D) a neutrino.
E) none of the above
Answer: E
You might also like to view...
The formula can be used to calculate a star's _____
a. mass b. distance c. rotation speed d. revolution period e. diameter
Rubber rods charged by rubbing with cat fur repel each other. Glass rods charged by rubbing with silk repel each other. A rubber rod and a glass rod charged respectively as above attract each other. A possible explanation is that
a. any two rubber rods charged this way have opposite charges on them. b. any two glass rods charged this way have opposite charges on them. c. a rubber rod and a glass rod charged this way have opposite charges on them. d. all rubber rods always have an excess of positive charge on them. e. all glass rods always have an excess of negative charge on them.
Comet nuclei can be darker than charcoal
Indicate whether the statement is true or false
Assume all else is unchanged, and the Earth's rotational axis is perpendicular to the ecliptic. As a result, seasonal variations on the Earth would
a. be practically non-existent. b. remain the same as they are at now. c. have the same severity but each season would last twice as long. d. be much more severe.