The least important power of a telescope is _____
A) magnifying power
B) light-gathering power
C) resolving power
D) reflecting power
A
Physics & Space Science
You might also like to view...
What is the "water hole"? Why is it so promising to radio astronomers?
What will be an ideal response?
Physics & Space Science
EM waves travel at a speed that varies with their wavelength
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
A sample of an ideal gas is heated and its Kelvin temperature doubles. What happens to the average speed of the molecules in the sample?
A) It does not change. B) It halves. C) It doubles. D) it is times as large. E) it is 1/ times smaller.
Physics & Space Science
How many moons is Pluto known to have?
A) none B) three C) one D) four E) two
Physics & Space Science