The lighter part of a shadow where light is partially blocked is called the penumbra.
What do you mean by Solar eclipse?
The solar eclipse may be defined as when the moon gets between Earth and the sun, and the moon casts a shadow over Earth.
- In thinking about a solar eclipse, the light source in the diagram represents the Sun.
- In thinking about a solar eclipse, the ball in the diagram represents the Moon.
- In thinking about a lunar eclipse, the ball in the diagram represents the Earth.
Therefore, all the questions given above are cleared one by one respectively.
To learn more about the Solar eclipse, refer to the link:
https://brainly.com/question/13048263