Class 10ScienceThe Human Eye and the Colourful WorldMix Examples - The Human Eye and the Colourful World
EasyWhat is the eye lens made of?
- A$A$ transparent,jelly-like proteinaceous substance
- B$A$ hard,calcified bone structure
- C$A$ layer of pigmented epithelial cells
- D$A$ fluid-filled sac of aqueous humor
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$A$ myopic person has been using spectacles of power $-1.00\, D$ for clear vision. During old age,he also needs to use separate reading glasses of power $+2.00\, D$. Explain what may have happened to his eyesight?
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View SolutionThe twinkling of stars is due to atmospheric:
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View SolutionThe bluish colour of water in deep sea is due to
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View SolutionWhich part of the eye helps in changing the focal length of the eye lens to focus the image of objects lying at varying distances from the eye?
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View Solution$(a)$ Explain why the colour of a clear sky appears blue during the day with the help of a diagram.
$(b)$ Explain why the Sun looks reddish at the time of sunrise and sunset.
$(b)$ Explain why the Sun looks reddish at the time of sunrise and sunset.
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