Question

A region of total darkness is called the penumbra.

• A. True
• B. False

Answer 1

The correct option is B False

Drawing the diagram of the situation:

1. The penumbra is an outer cone of partial shadow which diverges, instead of tapering.
2. It is the shadow formed from the extended source of light.
3. Penumbra is faint
4. Penumbra is the area of partial shadow.

Note: The region of total darkness is called the umbra.

Hence, the statement of the question is false.