Question

In a solar or lunar eclipse, the region of earth’s shadow is divided into
1. Five parts
2. Four parts
3. Two parts
4. Three parts

Answer 1

Shadow of earth is divided into the 3 parts such umbra is inner most part and darkest part of the shadow.

Then finally observer experience total eclipse format.

Here the penumbra is region that portion of light source is get blocked by the body with no risk and trouble of it.