You have a choice between two lenses of focal lengths fa and fb = 2 fa to use as objective lens in building a refracting telescope. If the magnification you obtain using lens A is Ma, what will be the magnification when using lens B?

A) Mb = 2 Ma
B) Mb = 4 Ma
C) Mb = 8 Ma
D) Mb = Ma /4
E) Mb = Ma /2


A

Physics & Space Science

You might also like to view...

The lowest-strength direction and loading for a uniaxial-fiber reinforced composite materials is

(a) In the fiber plane shear (b) Axial compression (c) Transverse tension (d) Transverse compression

Physics & Space Science

A 10.0-?F capacitor is plugged into a 110 V-rms 60.0-Hz voltage source, with an ammeter in series. What is the rms value of the current through the capacitor?

a. 0.202 A (rms) b. 0.415 A (rms) c. 0.626 A (rms) d. 0.838 A (rms) e. 0.066 A (rms)

Physics & Space Science

What has the greater entropy, ice or water? _____________

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science

If a star that is 10 light-years away from Earth explodes, gravitational waves from the explosion will reach Earth in

A) less than 10 years. B) more than 10 years. C) 10 years.

Physics & Space Science