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In the formation of primary rainbow, the...

In the formation of primary rainbow, the sunlight rays emerge at minimum deviation from rain-drop after

A

one internal reflection and one refraction

B

one internal reflection and two refractions

C

two internal reflections and one refraction

D

two internal reflections and two refractions

Text Solution

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The correct Answer is:
B
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TARGET PUBLICATION-REFRACTION OF LIGHT -COMPETITIVE THINKING
  1. In the visible region the dispersive powers and the mean angular devia...

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  2. In the formation of a rainbow, light from the sun on water droplets un...

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  3. In the formation of primary rainbow, the sunlight rays emerge at minim...

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  4. Pick the correct statement from the following

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  5. According to Rayleigh's law, the amount of scattering of light is inve...

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  6. During scattering of light, the amount of scattering is inversely prop...

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  7. Blue colour of water in sea is due to

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  8. Assertion: A red objecty appears dark in yellow light. Reason : Red ...

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  9. On decreasing the wavelength of incident light from 8000 Å to 4000 Å. ...

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  10. Blue colour of sea water is due to

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  11. What will be the colour of the sky as seen from the earth if there wer...

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  12. At sunrise or sunset, the sun looks more red than at mid-day because

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  13. Check the correct statements on scattering of light S1: Rayleigh sca...

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  14. If the critical angle for total internal reflection from a medium to v...

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  15. Which of the following is not a correct statement?

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  16. Each quarter of a vessel of depth H is filled with liquids of the refr...

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  17. How much water should be filled in a container of height 21 cm, so tha...

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  18. The angle of a prism is A . One of its refracting surfaces is silvered...

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  19. The refractive index of the material of a prism is sqrt(2) and the ang...

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  20. when a glass prism of refracting angle 60^(@) is immersed in a liquid...

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