OAV-LIGHT AND SHADOW (PRACTICE SET-1)

Questions in this test

1. __________ is the primary source of light on the Earth.
2. Light travel in a
3. Light is a form of
4. Which of the following is not a source of light?
5. A prism separates white light into a group of 7 colours called a
6. Which of the following is a luminous body?
7. Which of the following is not an artificial source of light?
8. Which of these are transparent substances?
9. Dark outline of an object is called:
10. We see ourselves in the mirror due to _____ of light.