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Write one use of a prism ....

Write one use of a prism .

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It is used :
1) To form raindow (or)
2) To disperse white light (or)
3) Used in telescopes.
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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. Write the formula for the refractive index of the prism.

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  2. A prism with an angle A = 60^(@) produces an angle of minimum deviatio...

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  3. Write one use of a prism .

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  4. Is it splitting of white light into colours explained by using ray the...

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  5. Expand VIBGYOR.

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  6. What is called the splitting of light into different colours ?

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  7. Which colour of light can split into VIBGYOR?

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  8. Which colour of light has shortest wavelength ?

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  9. Which colour of light has longest wavelength ?

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

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

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

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

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

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

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

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

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  18. Give one example to light dispersion.

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  19. Colour of light changes if we change

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

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