Astronomers Are Proud of Their Telescopes and Often Say They

Multiple Choice

Astronomers are proud of their telescopes and often say they can "resolve a dime at so many miles." How many miles from a
Telescope mirror can you place a coin of diameter
And just resolve the coin using light of wavelength
(1 mi = 1.609 km)

A) 19 mi
B) 9.7 mi
C) 40 mi
D) 190,000,000 mi