Multiple Choice
The light gathering capability of a telescope depends mainly on its
A) focal length.
B) eyepiece size.
C) length of the tube.
D) area of the primary lens or mirror.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q20: What advantages do space-based telescopes have over
Q21: Galileo was able to determine a precise
Q22: When an object is moving toward you,the
Q23: The wavelength associated with blue light compared
Q24: Spectral lines are of particular importance in
Q26: What causes the Doppler effect and why
Q27: All objects,including stars,emit light<br>A) over a range
Q28: Who performed an experiment with an assistant
Q30: Which of the following objects is most
Q76: How can you increase the magnification of