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प्रश्न
Answer the following.
Write down five man-made sources of light.
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उत्तर
Electric bulb, torch, an oil lamp, fluorescent tube, candle.
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संबंधित प्रश्न
Select the correct alternative.
The luminous body is
Name a few living things which emit light.
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
What do you understand by candle power?
Tick the correct answer.
Substance which don’t allow light to pass through them,
Match the following
| Column A | Column B |
| 1. Transparent object | i. Football |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 5. Non - luminous object | v. Shadows |
Answer the following.
List four natural sources of light.
Sunlight is a blend of______ colors
When a beam of white light passes through a prism it gets ______.
What happens to light when it gets dispersed? Give an example.
