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Under what condition the angle of deviat...

Under what condition the angle of deviation of a refracted ray through a prism will be minimum? '

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The correct Answer is:
if the angle of incidence and the angle of emergence are equal
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CHHAYA PUBLICATION-REFRACTION OF LIGHT-EXERCISE Very Short Answer or two Question (Mark1)
  1. For which colour of light is the critical angle between glass and air ...

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  2. What are the factors of light which are responsible for creating mirag...

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  3. In which direction do we have to look to see the setting sun if we are...

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  4. From sunrise to sunset, the sun subtends an angle of 180^(@) to our ey...

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  5. Critical angle of which pair of medium is lesser - air and water or ai...

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  6. Light passes through an optical fibre following which phyical phenomen...

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  7. If a ray of light moves from a medium to a medium, total internal re...

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  8. What is the approximate value of the refractive index of diamond?

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  9. What kind of image is formed in a desert by the formation of mirage?

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  10. Does critical angle depend on colour of light?

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  11. The angular altitude at which we see a star is not its actual angular ...

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  12. We see the sun a few minutes sunset or sunrise [Fill in the blank].

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  13. The sun appears to be elliptical during sunset. What is the reason beh...

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  14. Under what condition the angle of deviation of a refracted ray through...

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  15. If the medium surrounding the four faces of a prism is denser than the...

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  16. How can an inverted image be made erect by using a total reflecting pr...

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  17. When light travels from a rarer medium to a prism which is a denser me...

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  18. At the position of minimum deviation what is the nature of the path of...

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  19. For a thin prism on what factor does the magnitude of angle of deviati...

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  20. What will be the angel of deviation of a ray of light incident normall...

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