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(A) A normal human eye can cleary see al...

(A) A normal human eye can cleary see all the objects at the different distance.
( R) The human eye has the capacity to suitably adjust the focal length of its lens to a certain extent.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true and R is not the correct explanation of A

C

A is true and R is false

D

Both A and R is false

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-RAY OPTICS -EXERCISE 1B
  1. (A) The illuminance of an image produced by a convex lens is greater i...

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  2. (A) Optical instruments are assembled using lenses with very wide aper...

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  3. (A) By increasing the diameter of the objective of telescope. We can i...

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  4. (A) If objective and eye lenses of a microscope are interchanged then ...

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  5. (A) The blue colour of sky is on account of scattering of sunlight. ...

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  6. (A) The sun looks reddish at the time of sunrise and sunset because of...

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  7. (A) A secondary rainbow have inverted colours when compared to the pri...

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  8. (A) To increase the sensitivity of a camera, its aperture should be re...

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  9. (A) A normal human eye can cleary see all the objects at the differen...

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  10. (A) Although the surfaces of a google lens are curved, it does not hav...

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  11. (A) When one seeds a rainbow, one.s back is towards the sun. (R ) In...

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  12. (A) Owls can move freely during night ( R) Owls have large number of...

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  13. (A) A red object appears dark in the yellow light. ( R) The red colo...

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  14. (A) By roughening the surface of a sheet its transparency can be reduc...

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  15. (A) A famous painting was painted by not using brush strokes in the u...

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  16. (A) Images of objects giving white light by lenses are coloured. ( R...

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  17. (A) Clouds appear white due to scattering of light ( R) When size of...

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  18. (A) Mypia can be corrected by using concave lens. ( R) Nearsightedne...

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  19. (A) Convex mirror is used as shaving mirror ( R) IN case of convex m...

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  20. (A) For a myopic person light from distant object arriving through eye...

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