If you triple your distance from an object, what happens to its angular size?
A) It decreases by one half.
B) It stays the same.
C) It reduces to one third of what it was.
D) It increases by a factor of nine.

Question

Quizplus · Accepted Answer

The angular size of an object is inversely proportional to the distance from the observer. Tripling the distance reduces the angular size to one third of its original size.

If You Triple Your Distance from an Object, What Happens