Multiple Choice
A refracting astronomical telescope has objective and eyepiece lenses of focal lengths 30.0 cm and 0.40 cm,respectively.What is the angular magnification of this instrument?
A) 25
B) 49
C) 75
D) 143
E) 30.4
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q60: Doubling the aperture diameter of a camera
Q61: A lens with a focal length of
Q62: A person's prescription for bifocals is -0.35
Q63: Which term below identifies the eye defect
Q64: The ciliary muscle of the eye is
Q66: A converging lens will be prescribed by
Q67: A person with limited accommodation is prescribed
Q68: When using 545-nm light,how far is the
Q69: If a person is nearsighted the corrective
Q70: The eye changes its f-number by<br>A)using the