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प्रश्न
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
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उत्तर
A medium which allows light to pass through it easily is called the transparent medium.
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संबंधित प्रश्न
Can light travel in vacuum?
Name a few living things which emit light.
Write the names of some cold light-emitting objects.
Tick the correct answer.
Substance which don’t allow light to pass through them,
Fill in the blank
Light consists of .............. colours.
A ______ is a natural source of light.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
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 |
List any five properties of light.
Observe the picture given in the following figure carefully.
A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
