A certain astronomical telescope has a diameter of 5.60 m. Considering only the limitation due to diffraction, what is the minimum angle of resolution for this telescope at a wavelength of 620 nm?

A) 0.111 µrad
B) 0.311 µrad
C) 0.270 µrad
D) 0.135 µrad
E) 0.405 µrad


Answer: D

Physics & Space Science

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A) 1.50 B) 1.52 C) 1.54 D) 1.56 E) 1.58

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The surface of Mercury looks very similar to ________

Fill in the blank(s) with correct word

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For this situation, I push on a heavy chair.Suppose I push moderately on the chair, and this time the chair does move. Then the strength of the force the chair exerts on me is

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A piano string of density 0.0050 kg/m is under a tension of 1350 N. Find the velocity with which a wave travels on the string

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