Scattering of Light

IMPORTANT

Scattering of Light: Overview

This topic covers concepts such as Scattering of Light, Rayleigh Scattering, and Phenomena Related to Scattering of Light.

Important Questions on Scattering of Light

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IMPORTANT

Consider the following statement and choose the incorrect one (s).
I. The blue colour of clear sky is due to the presence of atmosphere on the earth.
II. The greyish appearance of sky is due to the presence of smoke and dust particles in the atmosphere.
III. Emergency signals and danger signals are red because red light can travel long distance without being scattered.
IV. When electromagnetic waves strike a matter, then scattering takes place,

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Sky appears black in the absence of atmosphere.

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If the size of air molecules is larger, then the red colour light scatters more.

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Small sized air molecules scatter longer wavelength light.

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Sun appears red at sunrise and sunset.

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Sky appears blue to us and sunlight appears white.

HARD
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Define Rayleigh scattering of light.

HARD
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According to Rayleigh scattering, the intensity of light is inversely proportional to

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What is scattering of light?

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Why sky looks blue and clouds look white?

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The sky appears blue due to-

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What is the phenomenon in which light rays get deviated from their straight path on striking an obstacle like dust or gas molecules?

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Why does the sun appear white at afternoon and reddish during sunrise and sunset?

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What do you understand by scattering of light? Write down its uses in daily life?

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On what factor, the intensity of scattered light depends?

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The sky is blue because

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In fog, photographs of the objects taken with infrared radiations are more clear than those obtained during visible light because