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प्रश्न
Select the correct alternative.
The natural source of light is
विकल्प
candle flame
electric lamp
sun
kerosene lamp
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उत्तर
sun
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संबंधित प्रश्न
Write true or false of the following statement.
The moon is a natural source of light.
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
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 |
What do we call an electric bulb producing light?
Tick the correct answer.
Light causes
Fill in the blank
The brightness of light is measured in ...................
The angle of deviation of light ray in a prism depends on the angle of ______.
Match the following.
| 1. | Ratio of height of image to height of object. | Concave mirror |
| 2. | Used in hairpin bends in mountains. | Total internal reflection |
| 3. | Coin inside water appearing slightly raised. | Magnification |
| 4. | Mirage | Convex mirror |
| 5. | Used as Dentist’s mirror. | Refraction |
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Velocity of light is greater in denser medium than in rarer medium
