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The change in focal length of an eye len...

The change in focal length of an eye lens is caused by the action of the:

A

pupil

B

retina

C

ciliary muscles

D

iris.

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MBD-THE HUMAN EYE AND THE COLOURFUL WORLD-EXAMPLE
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  2. The least distance of distinct vision for a young adult with normal vi...

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  3. The change in focal length of an eye lens is caused by the action of t...

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  4. A person needs a lens of power -5.5 d for correcting his distant visio...

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  5. The far point of a myopic person in 80 cm in front of the eye. What is...

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  6. The near point of a hypermetropia eye is 1 m find the power of the len...

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  7. Why is a normal eye not able to see clearly the objects placed closer ...

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  8. Why is a normal eye not able to see clearly the objects placed closer ...

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  9. What happens to the image distance in the eye when we increase the dis...

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  10. Explain atmospheric refraction.Why do stars twinkle?

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  11. Why planets do not appear twinkling?

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  12. Why does the sun appear reddish in the morning (as well as in evening)...

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  13. Why does star appears red in colour?

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  14. Why does the sky appears dark instead of blue to an astronaut?

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  15. What is prism? Explain deviation in glass prism by drawing a ray diagr...

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  16. What is meant by dispersion of light explain with the help of diagram ...

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  17. When a ray of light passes through a glass prism then a spectrum is ob...

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  18. When a ray of light passes through a glass prism then a spectrum is ob...

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  19. When a ray of light passes through a glass prism then a spectrum is ob...

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  20. Describe an experiment to show that different color of white light can...

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