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प्रश्न
What do we call a substance through which light passes? Give an example of such a substance.
उत्तर
A substance through which light passes is called a transparent substance.
Examples: glass, air, water, etc.
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संबंधित प्रश्न
Fill in the blank.
Light gives us the sensation of ................
Select the correct alternative.
The luminous body is
Write the names of some cold light-emitting objects.
Write true or false
The moon has its own light.
When light passes through a prism, it gets separated into ______ colours.
________ objects allow all the light to pass through them.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
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.
The mirror used in search light is ______.
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 |
