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What is the wavelength region of visible...

What is the wavelength region of visible spectrum ?

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`3800 Å` to `7600 Å`.
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PRADEEP-RAY OPTICS-Very Short Answer (c)
  1. What is the wavelength region of visible spectrum ?

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  2. Is there any invisible spectrum ?

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  3. For which colour, mu of material of a prism is (i) minimum (ii) max...

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  4. Which colour deviates (i) most (ii) least on passing through a prism ?

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  5. Which colour of the light has the longest wavelength?

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  6. What is meant by dispersion of light ?

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  7. What are the factors on which angular dispersion of a prism depend ?

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  8. On what factors does of deviation produced by a prism depend ?

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  9. What is angle of prism ?

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  10. What is angle of deviation through a prism ?

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  11. On what factors does of deviation produced by a prism depend ?

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  12. What is the relation between angle of prism A, angle of incidence i an...

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  13. refractive indices of glass for blue, red and yellow colours are mub,m...

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  14. A glass prism is immersed completely in water. How does angle of minim...

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  15. When does a ray passing through a prism deviate away from the base of ...

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  16. In the minimum deviation position of a prism how are angle of incidenc...

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  17. In the specturm of white light through a prism, violet colour is seen ...

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  18. What is the purpose of adding "blue" to clothes ?

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  19. What is a pure spectrum ?

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  20. Give the formula that can be used to determine refractive index of mat...

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