Question

5. Distinguish between the umbra and
penumbra regions of a shadow. Explain
with a ray diagram.
Diagram​

Answer 1

Answer:

There are two parts to these shadows. The umbra is a central cone of darkness which tapers away from the Earth or Moon, whilst the penumbra is an outer cone of partial shadow which diverges instead of tapering. The Moon's shadow cast on the Earth appears as a solar eclipse.