Author Question: Increasing the diameter of a reflecting telescope: A) increases its light-gathering power. B) ... (Read 67 times)

ishan · **on:** Jul 27, 2018

Increasing the diameter of a reflecting telescope:

A) increases its light-gathering power.
B) decreases its resolving power.
C) decreases its magnifying power.
D) increases its chromatic aberration.

Question 2

A telescope performs best:

A) on a high mountaintop where the air is thin and steady.
B) in a valley where the air is calm.
C) on a hill close to the ocean where the atmospheric turbulence is high.
D) close to a valley where the seeing is poor.