Question

Statement I: Umbra is a region of complete darkness.
Statement II: Penumbra is a region of partial brightness.

• A. Only statement II is true.
• B. Both the statements are false.
• C. Both the statements are true.
• D. Only statement I is true.

Answer 1

The correct option is C Both the statements are true.

• Umbra: It is the portion of shadow where no light reaches from the source of light due to an opaque object.It is completely dark.
• Penumbra: It is the portion of shadow where a portion of light from the source of light reaches the shadow even in the presence of the opaque object in between them. It is not completely dark. but it is dim.