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प्रश्न
Fill in the blank.
The sun is a ............... source of light.
रिक्त स्थान भरें
उत्तर
The sun is a natural source of light.
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संबंधित प्रश्न
Write true or false of the following statement.
We can see an object through an opaque medium.
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Name any four man made sources of light.
What do you understand by candle power?
Write true or false
The earth has its own light.
Answer the following.
List four natural sources of light.
Mirrors change the direction of light that fall on them.
Choose the translucent substance from the following
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 |
List any five properties of light.
