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प्रश्न
Fill in the blank.
The sun is a ............... source of light.
रिकाम्या जागा भरा
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उत्तर
The sun is a natural source of light.
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संबंधित प्रश्न
How do we see objects around us ?
Can a transparent medium form an image? Explain your answer.
Tick the correct answer.
Substance which don’t allow light to pass through them,
Fill in the blank
Speed of light in vacuum 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 meant by luminous intensity? What is one lumen?
Answer the following.
Distinguish between transparent, translucent, and opaque objects.
When light passes through a prism, it gets separated into ______ colours.
________ objects allow all the light to pass through them.
Velocity of light is greater in denser medium than in rarer medium
