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How much is our field of view : (a) wi...

How much is our field of view :
(a) with one eye open ?
(b) with both eye open ?

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Verified by Experts

The correct Answer is:
(a) About `150^(@)` (b) About `180^(@)`
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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. The near point of a long-sighted person is 50 cm from the eye. (a) C...

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  2. A person can read a book clearly only if he holds it at an arm's lengt...

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  3. How much is our field of view : (a) with one eye open ? (b) with b...

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  4. Fill in the following blanks with suitable words : (a) Having two ey...

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  5. What are the advantages of having two eyes instead of just one ?

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  6. Explain clearly why, a person who has lost the sight of one eye is at ...

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  7. Name two animals having eye : (a) on the sides of the head. (b) at...

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  8. With both eyes open, a person's field of view is about :

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  9. Having two eyes gives a person :

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  10. As light rays pass from air into a glass prism, are they refracted tow...

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  11. As light rays emerge from a glass prism into air, are they refracted t...

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  12. Name a natural phenomenon which is caused by the dispersion of sunligh...

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  13. What information do we get about sunlight from the formation of a rain...

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  14. What did Newton demonstrate by his experiments with the perism ?

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  15. What colours make up white light ?

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  16. Give the meaning of the term VIBGYOR. With which phenomenon is it conn...

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  17. In the formation of spectrum of white light by a prism : (i) which c...

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  18. What colours lie on the two sides of the 'green colour' in the spectru...

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  19. Name the scientist who discovered that sunlight consists of seven colo...

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  20. What is the order of colours in a rainbow, from the outside to the ins...

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