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In which defect of vision is (i) the far...

In which defect of vision is (i) the far point nearer than infinity ? (ii) near point away from 25 cm ?

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(i) Myopia (ii) Hypermetropia.
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ZEN PUBLICATION-THE HUMAN EYE AND THE COLOURFUL WORLD-ZEN ADDITIONAL QUESTIONS SECTION - VERY SHORT ANSWER TYPE QUESTIONS
  1. What is the main advantage of having two eyes in front of the head ?

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  2. A person can see nearby objects clearly but distant objects appear blu...

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  3. In which defect of vision is (i) the far point nearer than infinity ? ...

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  4. A person can see distant objects clearly but nearby objects appear blu...

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  5. Which vision defect arises when the eyeball (i) shrinks and (ii) elong...

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  6. Which eye defect can be corrected using (i) convex lens and (ii) conca...

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  7. Where is the image formed if a person is suffering from (i) myopia and...

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  8. An aged person is having difficulty in seeing nearby objects clearly. ...

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  9. Bifocal lenses are used to correct which defect of vision ?

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  10. Observe the given figure. Name the eye defect indicated in the figure ...

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  11. Mohan is suffering from diabetes and hypertension. Can be pledge to do...

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  12. Shilpa is using spectacles. Is she eligible to pledge to donate her ey...

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  13. What is dispersion of light?

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  14. Name the colours that constitute white light in the order of increasin...

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  15. List the colours observed in a spectrum through a prism in the increas...

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  16. Light of two colours A and B passes through a prism. A deviates more t...

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  17. Mention one difference between refraction in a prism and a glass slab.

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  18. A glass prism produces a spectrum when white light passes through it b...

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  19. Why is the path of sunlight visible when it passes through the canopy ...

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  20. Why is it dangerous to drive on a foggy day ?

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