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Colour of light changes if we change

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VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-I) (1/2 MARKS QUESTIONS)
  1. In the equation, v = fm, which factor changes, if speed of light chang...

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  2. Give one example to light dispersion.

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  3. Colour of light changes if we change

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  4. Abhi observed different colours on the wall, when he was washing his c...

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  5. What is the maximum angle between incoming and outgoing rays through a...

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  6. In a rainbow a) observer can see a single colour from a drop. b) ...

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  7. To observe violet colour in a rainbow the angle between a sun beam and...

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  8. What is the shape of a rainbow ?

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  9. Which colour appears at the outermost layer of the cone shaped rainbow...

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  10. How many times refraction takes place at a drop of water when rainbow ...

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  11. Formation of rainbow involves

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  12. What is called the energy of light passing through unit area of plane ...

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  13. When does intensity of scattered light is maximum ?

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  14. How do you call the atoms or molecules which are undergone scattering?

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  15. How does sky appears when look at the sky in a direction perpendicular...

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  16. In which phenomenon atoms absorbs light and vibrates ?

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  17. What are the scattering centres responsible for the blue of the sky?

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  18. What are responsibility for that the sky appears white sometimes in ho...

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  19. Name the phenomena showed in the given figure.

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  20. What is called a hypo ?

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