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प्रश्न
Tick the correct answer.
The natural source of light is
विकल्प
Sun
Electric lamp
Candle flame
Kerosene lamp
MCQ
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उत्तर
Sun
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संबंधित प्रश्न
Fill in the blank.
Light travels in a ................. path.
List two artificial sources of light.
What do we call a body that shines on its own?
Write the names of some transparent objects.
Answer the following.
List four natural sources of light.
Answer the following.
What is meant by luminous intensity? What is one lumen?
Answer the following.
Distinguish between transparent, translucent, and opaque objects.
When a ______ object comes in the way of light, light passes ______ it.
________ objects allow all the light to pass through them.
Match the following.
| 1. | Ratio of height of image to height of object. | Concave mirror |
| 2. | Used in hairpin bends in mountains. | Total internal reflection |
| 3. | Coin inside water appearing slightly raised. | Magnification |
| 4. | Mirage | Convex mirror |
| 5. | Used as Dentist’s mirror. | Refraction |
