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प्रश्न
Boojho made light from a laser torch fall on a prism. Will he be able to observe a band of seven colours? Explain with a reason
उत्तर
No, Boojho will not be able to observe a band of seven colours as the laser torch is monochromatic so it gives out the light of only one colour.
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संबंधित प्रश्न
Why do objects in a room become visible even if sunlight does not enter it?
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.
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When light passes through a prism, it gets separated into ______ colours.
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 |
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State Rayleigh’s law of scattering.
List any five properties of light.
Light is a form of energy and it travels in a straight line.
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