Question

Answer the Following :-

1. What makes things visible?
2. What happens when light falls on a mirror?
3. What is incident ray?
4. What is reflected ray?
5. What is angle of incidence and angle of reflection?
6. How many reflected rays can be there before a given single incident ray falling on a plane mirror?
7. What are the characteristics of image formed by plane mirror?
8. Draw a ray diagram for the formation of virtual image in a plane mirror?
9. What will happen if the light is thrown on the mirror along the normal?
10. Define lateral inversion.
11. What is regular and diffused reflection?
12. How may plane mirrors are used in a periscope? Write the uses of a periscope.
13. What do you mean by multiple reflection?
14. How may plane mirrors are used in a Kaleidoscope? Write its uses?
15. Define dispersion of light.
16. What is the comfortable distance at which one can read with a normal eye?
17. What are cones and rods? Where are they located?
18. What is persistence of vision?
NOTE :- Need proper Answers
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Answer 1

Answer:

Life is a concept in biology. It is about the characteristics, state, or mode that separates a living thing from dead matter. The word itself may refer to a living being or to the processes of which living things are a part. ... The study of life is called biology: people who study life are called biologists.

Explanation:

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Answer 2

Answer:

1.Lights get reflected and eyes makes the object visible.

2.An image can be seen in the mirror

Explanation:

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