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The sky looks blue due to-...

The sky looks blue due to-

A

red light is absorbed

B

blue light is scattered most

C

blue light is absorbed

D

it is the natural colour

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The correct Answer is:
B
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BINA LIBRARY-Optics-I-EXERCISE
  1. Rainbow is due to a combination of

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  2. An astronaut in a spaceship sees the sky as

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  3. The sky looks blue due to-

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  4. A convex lens of focal length 0.5 m and a concave lens of focal length...

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  5. An enlarged virtual image can be obtained only in

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  6. A convex mirror gives images which are

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  7. A vitrual image larger than the object can be produced by

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  8. A concave mirror forms an image of a real object. Which statement is w...

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  9. Give reasons why convex mirrors are generally used as driving mirrors.

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  10. The image of an object placed between the principal focus and the cent...

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  11. The distance of an object and its image from the focus of a concave mi...

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  12. An inverted image can be seen in a convex mirror

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  13. A concave mirror produces a virtual image when the object is

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  14. What is the speed of light in glass of refractive index 1.5 if the vel...

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  15. The refractive index of a medium is 1.8. A bubble lies in this medium ...

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  16. When light travels from glass to air, there is no change in its

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  17. The lateral shift produced in a parallel sided glass slab depends on

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  18. What is optical fibres? What principle is used in it?

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  19. The refractive index of an equilateral prism is 'sq.root 3' . What is ...

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  20. The minimum distance between an object and its real image is

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