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प्रश्न
Write true or false
The stars have no light.
पर्याय
True
False
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उत्तर
False
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संबंधित प्रश्न
Fill in the blank.
The sun is a ............... source of light.
Tick the correct answer.
Light causes
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 meant by luminous intensity? What is one lumen?
________ objects allow all the light to pass through them.
Describe the pictures.
The angle of deviation of light ray in a prism depends on the angle of ______.
If the energy of incident beam and the scattered beam is the same, then the scattering of light is called as ______ scattering.
Why are traffic signals red in colour?
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?
