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प्रश्न
The path of the light is called as ______.
रिक्त स्थान भरें
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उत्तर
The path of the light is called a ray of light.
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संबंधित 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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Light is a font of
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A tube light is a
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The brightness of light is measured in ...................
Answer the following.
What is light?
Match the following.
| Group A | Group B |
| (a) Mirror | (1) Non-luminous |
| (b) Firefly | (2) Inverted image |
| (c) Pinhole camera | (3) Reflection |
| (d) Moon | (4) Luminous |
Speed of light in air is 3 × 108 m s–1 and the refractive index of a medium is 1.5. Find the speed of light in the medium.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
