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प्रश्न
Write true or false
The earth has its own light.
विकल्प
True
False
उत्तर
False
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संबंधित प्रश्न
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Explain the difference between a transparent, a translucent, and an opaque medium. Give two examples of each.
What do we call a substance through which we cannot see light? Give an example of such a substance.
Tick the correct answer.
The natural source of light is
Match the following
| Column A | Column B |
| 1. Transparent object | i. Football |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 5. Non - luminous object | v. Shadows |
Answer the following.
What is light?
Describe the pictures.
State Rayleigh’s law of scattering.
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
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?
