Question
A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle of 4.6×10−5 rad.
1. What diameter spot will it make on the Moon?
1. What diameter spot will it make on the Moon?
Answers
drwls
spot diameter =
distance * (divergence angle in radians)
The diameter will be in km if you use the distance in km.
distance * (divergence angle in radians)
The diameter will be in km if you use the distance in km.
fatma
25.4