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प्रश्न
Write true or false
The stars have no light.
पर्याय
True
False
MCQ
चूक किंवा बरोबर
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उत्तर
False
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संबंधित प्रश्न
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
Can light travel in vacuum?
Does the flame of a gas stove emit light?
The sun and ______ are the natural sources of light.
Write true or false
The earth has its own light.
Answer the following.
Differentiate between luminous and non-Luminous objects.
_______ is the natural source that stimulates sight and makes things visible.
Light is a form of ______.
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 |
What happens to light when it gets dispersed? Give an example.
