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What is the role of ciliary muscles in t...

What is the role of ciliary muscles in the eye ? Write the answer in one or two sentences only.

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The ciliary muscles to which eye lens is attached help the eye lens to change its focal length by changing the radii of curvature of eye lens.
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VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-QUESTIONS GIVEN IN THE LESSON (1 MARK QUESTIONS)
  1. Can you answer above question using concepts of refraction through len...

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  2. How does eye lens change its focal length ?

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  3. What is the role of ciliary muscles in the eye ? Write the answer in o...

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  4. How does this change (eye lens changes its focal lengths) take place i...

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  5. Does eye lens form a real image or virtual image ?

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  6. Is there any limit to change of focal length of eye lens ?

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  7. What are the maximum and munimum focal lengths of the eye lens ?

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  8. What happens if eye lens is not able to adjust its focal length ?

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  9. What happens if the focal length of eye lens is beyond the range of 2...

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  10. What can we do to correct myopia ?

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  11. What happens when the eye has a minimum focal length greater than 2.27...

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  12. Have you ever observed details in the prescription ?

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  13. You might have heard people saying "my sight is increased or decreased...

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  14. What do you mean by power of lens ?

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  15. How could the white light of the sun gives us various colours of the r...

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  16. What happens to a light ray when it passes through a transparent mediu...

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  17. What is a prism ?

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  18. What is the shape of the outline drawn for a prism ?

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  19. How do you find angle of deviation ?

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  20. What do you notice from the angle of deviation ?

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