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प्रश्न
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
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उत्तर
| Column A | Column B |
| a. Wooden block | iii. opaque body |
| b. Sun | iv. luminous body |
| c. Umbra | v. complete dark park |
| d. Eclipse | ii. rectilinear propagation of light |
| e. Solar eclipse | i. new moon's day |
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is self-luminous.
Fill in the blank
A medium through which light cannot pass is called the ....................
Name any four man made sources of light.
Tick the correct answer.
Light is a font of
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Answer the following.
Name some sources of light that are not hot.
a) Draw ray diagrams to show how the image is formed using a concave mirror, when the position of object is:
- at C
- between C and F
- between F and P of the mirror.
b) Mention the position and nature of image in each case.
Velocity of light is greater in denser medium than in rarer medium
What happens to light when it gets dispersed? Give an example.
State whether the following statement is True or False.
An object can be seen only if it emits light
