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प्रश्न
Name two natural sources of light.
लघु उत्तरीय
उत्तर
- Sun
- Stars
- Firefly
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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 |
How do we see objects around us ?
Fill in the blank.
Moon is a .................. body.
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Light travels in a ................. path.
What do we call a substance through which we cannot see light? Give an example of such a substance.
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Speed of light in vacuum is .................
Write true or false
The earth has its own light.
When light passes through a prism, it gets separated into ______ colours.
Write about two everyday situations that tell you that light travels in a straight line.
Light is a form of energy and it travels in a straight line.
