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प्रश्न
Match the following.
| Group A | Group B |
| (a) Mirror | (1) Non-luminous |
| (b) Firefly | (2) Inverted image |
| (c) Pinhole camera | (3) Reflection |
| (d) Moon | (4) Luminous |
जोड्या लावा/जोड्या जुळवा
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उत्तर
| Group A | Group B |
| (a) Mirror | (3) Reflection |
| (b) Firefly | (4) Luminous |
| (c) Pinhole camera | (2) Inverted image |
| (d) Moon | (1) Non-luminous |
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संबंधित प्रश्न
Fill in the blank.
Light travels in a ................. path.
How does light make an object visible?
List two artificial sources of light.
Can a transparent medium form an image? Explain your answer.
Write the names of some cold light-emitting objects.
Write true or false
The stars have no light.
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
_______ is the natural source that stimulates sight and makes things visible.
State whether true or false. If false, correct the statement.
If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.
Velocity of light is greater in denser medium than in rarer medium
