Question

State two properties each of umbra and penumbra.​

Answer 1

The dark part of the shadow is the umbra, and the part of a shadow that's a little lighter is the penumbra. They can be experienced on Earth, but more readily in space, such as during a solar eclipse, when the Moon moves in front of the Sun and leaves a shadow on Earth.

Answer 2

Answer:

The umbra,penumbra and Abrambra and three distinct parts of a shadow, created by any light source after impining on an opaque object