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Draw ray diagrams showing (i) myopia eye...

Draw ray diagrams showing (i) myopia eye and (ii) hypermetropia eye.

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(i) Myopia is caused by elongation of eyeball which results in focusing of image in front of retina. Thus, the distant images are blurry but the nearby images are clear.

(ii) Hypermetropia is caused by an eyeball which is too short, resulting in focusing of image behind the retina. In this case, distant images are clear but the near by images are blurry.
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Draw the ray diagram showing myopic eye and correction for myopia.

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ZEN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-ZEN ADDITIONAL QUESTIONS SECTION - SHORT ANSWER TYPE QUESTIONS - II
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  8. Draw ray diagrams showing (i) myopia eye and (ii) hypermetropia eye.

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  9. A person cannot see objects further than 10 metres from the eye clearl...

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  10. List two main causes of a person developing near-sightedness. Show wit...

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  12. A narrow beam PQ of white light is passing through a glass prism ABC a...

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  13. When light passes through a prism, seven colours namely VIBGYOR are se...

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  14. What is disperson of white light ? State its cause. Draw a ray diagr...

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  15. Describe an activity to show refraction of light through a prism. Draw...

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  16. Draw a ray diagram to show the path of light that enters the glass pri...

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  17. Describe the formation of a rainbow in the sky with the help of a diag...

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  18. Why do different colours get separated when a white light passes throu...

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  19. Explain the experiment conducted by Newton to show that white light co...

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  20. With the help of a labelled diagram. Explain why the sun appears reddi...

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