Astronomers are proud of their telescopes and often say they can "resolve a dime at so many miles." How many miles from a 102-cm-diameter telescope mirror can you place a coin of
Diameter 3.0 cm and just resolve the coin using light of wavelength 389 nm? (1 mi = 1.609 km)
A) 9.7 mi
B) 19 mi
C) 190,000,000 mi
D) 40 mi

Question

Quizplus · Accepted Answer

The Answer of Astronomers are proud of their telescopes and often say they can "resolve a dime at so many miles." How many miles from a 102-cm-diameter telescope mirror can you place a coin of
Diameter 3.0 cm and just resolve the coin using light of wavelength 389 nm? (1 mi = 1.609 km)
A) 9.7 mi
B) 19 mi
C) 190,000,000 mi
D) 40 mi

Astronomers Are Proud of Their Telescopes and Often Say They