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प्रश्न
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 |
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उत्तर
| Group A | Group B |
| (a) Mirror | (3) Reflection |
| (b) Firefly | (4) Luminous |
| (c) Pinhole camera | (2) Inverted image |
| (d) Moon | (1) Non-luminous |
संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
Fill in the blank.
The sun is a ............... source of light.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Write the names of some transparent objects.
Write true or false
Opaque objects do not allow light to pass through them.
Answer the following.
List four natural sources of light.
Answer the following.
Name some sources of light that are not hot.
Amount of light entering into the eye is controlled by ______.
What happens to light when it gets dispersed? Give an example.
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
