Multiple Choice
A pair of radio dishes,each with collecting area 100 m²,lie a distance of 10 km from each other.With them,astronomers can make a measurement with an effective collecting area of ________ and an effective angular resolution of a telescope with a ________ diameter.
A) 108 m2; 200 m
B) 108 m2; 200 m.
C) 200 m2; 10 km
D) 200 m2; 10 km.
Correct Answer:
Verified
Correct Answer:
Verified
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