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प्रश्न
What do we call a substance through which we cannot see light? Give an example of such a substance.
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उत्तर
A substance through which we cannot see light is called an opaque medium.
Examples: Wood, metals, and black paper, etc.
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संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
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 |
Can a transparent medium form an image? Explain your answer.
Does the flame of a gas stove emit light?
The sun and ______ are the natural sources of light.
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.
The path of the light is called as ______.
Velocity of light is greater in denser medium than in rarer medium
