The solar constant is a measure of
a. the amount of solar energy reaching Earth.
b. the length of the sunspot cycle.
c. the period of rotation of the Sun's equator.
d. the average number of sunspots seen during the Maunder minimum.
e. the Sun's mass.
a
You might also like to view...
You do not see your image when you look at a flat rough aluminum surface because of __________
Fill in the blank(s) with correct word
A 200-volt battery is connected to a 0.50-microfarad parallel-plate, air-filled capacitor. Now the battery is disconnected, with care taken not to discharge the plates. Some Pyrex glass is then inserted between the plates, completely filling up the space. What is the final potential difference between the plates? (The dielectric constant for Pyrex is ? = 5.6.)
What will be an ideal response?
An amount of fissionable material that will not sustain a chain reaction is called
a. a subatomic mass. b. a subisotopic mass. c. a subcritical mass. d. none of these.
Making a digital recording of a sound involves
a. analog-to-digital conversion. b. digital-to-analog conversion. c. electromagnetic waves. d. all of the above.