(a) Point sources and extended sources
of light.
(b) Umbra and penumbra.
Explain the difference :
Answers
Answered by
0
Answer:
Umbra means ''shadow'' while ''penumbra'' means to hang on the shadow or almost a shadow. ... When a partial lunar eclipse occurs, the umbra merely covers a part of the moon. The outer shadow of the earth falls on the moon during a penumbral lunar eclipse.
Answered by
0
Answer:
r8ytdi7ui8g
Explanation:
8tnry8dbayr8X
Similar questions