Human Eye and colorful world – quiz

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Human Eye and colorful world - Class X

1 / 10

Which of the following phenomena of light are involved in the formation of a rainbow?

2 / 10

Twinkling of stars is due to atmospheric

3 / 10

The danger signals installed at the top of tall buildings are red in colour. These can be easily seen from a distance because among all other colours, the red light

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The bluish colour of water in deep sea is due to

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Which of the following phenomena contributes significantly to the reddish appearance of the sun at sunrise or sunset?

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At noon the sun appears white as

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A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using lens of power

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Which of the following statements is correct regarding the propagation of light of different colours of white light in air?

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A student sitting on the last bench can read the letters written on the blackboard but is not able to read / the letters written in his textbook. Which of the following statements is correct?

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The clear sky appears blue because

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