Author Question: The objectives of two astronomical telescopes have the same focal length but one objective has ... (Read 57 times)

plus1 · **on:** Jul 29, 2018

The objectives of two astronomical telescopes have the same focal length but one objective has double the diameter of the other. An advantage of the telescope with the larger objective is

A)

its higher power.
B)

its greater aberration.
C)

its higher price.
D)

its brighter image.
E)

its lower aberration.

Question 2

The ratio of energy to frequency for a given photon gives

A)

its amplitude.
B)

its velocity.
C)

its wavelength.
D)

Planck's constant.
E)

its work function.