Question

The width of umbra and penumbra changes by changing the shape of the source.

• A. True
• B. False

Answer 1

The correct option is A True

1. A broad source of light forms a smaller umbra as compared to a point source.
2. A broad source of light forms a larger penumbra region as compared to a point source, thus giving a fuzzy shadow.

Hence, the given statement is true.