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Give the main difference between the len...

Give the main difference between the lens of the human eye and the lens of a camera.

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The lens of the human eye has flexible aperture, so that its focal length can be changed, while in a camera the focal length of the lens is fixed.
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KUMAR PRAKASHAN-THE HUMAN EYE AND THE COLOURFUL WORLD-OBJECTIVE QUESTIONS AND ANSWERS (Answer the following questions in very short as directed (Miscellaneous) )
  1. Which part of the human eye helps in changing the thickness of the eye...

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  2. What is dispersion of white light ?

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  3. Give the main difference between the lens of the human eye and the len...

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  4. The image formed on the retina is inverted, but we see the object erec...

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  5. The absolute refractive index of a medium is 2.0. The speed of light i...

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  6. Match the column properly:

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  7. Match the following column:

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  8. The far point of a myopic eye is 100 cm. What is the focal length of t...

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  9. The near point of a hypermetropic eye is 75 cm. What is the focal leng...

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  10. The eye lens of human eye is a double convex lens. Agree or Disagree?

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  11. Cone-shaped retinal cells respond to the brightness or intensity of li...

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  12. Which property of vision is used in cinematography ?

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  13. What is aqueous humour ?

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  14. What is the maximum power of accommodation of a normal eye ?

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  15. What is meant by scattering of light?

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  16. What is the basic cause of atmospheric refraction ?

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  17. In the above figure a narrow beam of white light is shown to pass thro...

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  18. In the above figure, which angles are correctly marked ?

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  19. In the above figure (ray diagram), state the angle of incidence and th...

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  20. In the above figure (ray diagram), state angle of incidence, angle of ...

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