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a) Speed of light is constant in vacuum....

a) Speed of light is constant in vacuum.
b) Speed of light depends on the wavelength of light when it passes through a medium.
Which one is correct ? or both ?

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Verified by Experts

Both are correct
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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. Which colour of light has shortest wavelength ?

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  2. Which colour of light has longest wavelength ?

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  3. a) Speed of light is constant in vacuum. b) Speed of light depends o...

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  4. How does refractive index changes, when wavelength of light increases ...

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  5. In which colour, refractive index of glass is high ?

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  6. Which property of wave does not change due to refraction ?

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  7. How does red colour change while passing through a prism ?

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  8. How does colour of light changes, when passed through any transparent ...

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  9. What is the relation among speed of wave (v), wavelength (lambda) and ...

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  10. In the equation, v = fm, which factor changes, if speed of light chang...

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  11. Give one example to light dispersion.

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  12. Colour of light changes if we change

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

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

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

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

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  17. What is the shape of a rainbow ?

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

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

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  20. Formation of rainbow involves

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