Question

Phases ofthe moon occur because

(a) we can see only that part of the moon which reflects lighttowards us.

(b) our distance from the moon keeps changing.

(c) the shadow of the Earth covers only a part of the moon’ssurface.

(d) the thickness of the moon’s atmosphere is not constant.

Answer 1

(a) Phases of the moonoccur because we can see only that part of the moon which reflectslight towards us.

Moondoes not produce its own light. We are ableto see the moon because the sunlight falling on it gets reflectedtowards us. Thus, we see only that part of the moon from which thelight of the sun gets reflected towards us.