Across
- 2. objects that allow only some light to pass through them
- 3. an example for non luminous object is
- 5. the phenomenon by which the incident light falling on a surface is sent back into the same medium is known as_______
- 6. An image formed on a screen
Down
- 1. focal length of plane mirror is
- 4. When light is incident on a polished surface __________ reflection takes place