Q. Penumbra is :

A
complete darkness
B
a shade
C
an area in the atmosphere
D
a region of partial darkness
Solution:

The region of complete shadow is called the umbra and the region of diffuse shadow is called the penumbra.

These shadows are formed on the Earth during a solar eclipse

From the umbra we see a total eclipse while from the penumbra only a partial eclipse is visible.

Entri Contact Image

Get Expert Advice for Free: Register for Your Free Consultation Now!