Physics
Physics, 28.08.2019 23:30, jw2590

How much more light can be gathered by a telescope that is 8 m in diameter than by your fully dark-adapted eye at 7 mm?

answer
Answers: 1

Other questions on the subject: Physics

image
Physics, 21.06.2019 15:30, Anshuman2002
Tungsten-filament lightbulb emits light based on the temperature of the filament. which phenomenon does this demonstrate?
Answers: 2
image
Physics, 22.06.2019 10:10, randlemccray4305
What is the angular momentum of the bar about the axle?
Answers: 3
image
Physics, 22.06.2019 11:00, SoccerHalo
If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c
Answers: 1
image
Physics, 22.06.2019 11:30, alexandroperez13
With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
Answers: 1
Do you know the correct answer?
How much more light can be gathered by a telescope that is 8 m in diameter than by your fully dark-a...

Questions in other subjects: