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To observe violet colour in a rainbow th...

To observe violet colour in a rainbow the angle between a sun beam and light sent back by a drop should be

A

`40^(@)`

B

`42^(@)`

C

`0^(@)`

D

`40^(@)-42^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
`40^(@)`
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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. What is the maximum angle between incoming and outgoing rays through a...

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

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

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  4. What is the shape of a rainbow ?

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

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

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  7. Formation of rainbow involves

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  8. What is called the energy of light passing through unit area of plane ...

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  9. When does intensity of scattered light is maximum ?

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  10. How do you call the atoms or molecules which are undergone scattering?

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  11. How does sky appears when look at the sky in a direction perpendicular...

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  12. In which phenomenon atoms absorbs light and vibrates ?

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  13. What are the scattering centres responsible for the blue of the sky?

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  14. What are responsibility for that the sky appears white sometimes in ho...

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  15. Name the phenomena showed in the given figure.

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  16. What is called a hypo ?

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  17. Which colour scatters less in the atmosphere ?

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  18. You can observe the red colour of Sun during Sunrise and Sunset. Which...

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  19. Which colour scatters less in the atmosphere ?

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  20. In the above experiment , which phenomenon do you noticed ?

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