01 When light enters an optically denser medium from an optically rarer medium:

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02 When light passes through suspended particles in a medium, some light is…

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03 Clouds appear white because their particles are _____ than visible wavelengths and…

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04 Which phenomenon is responsible for the Tyndall effect?

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05 Scattering of light by colloidal particles gives rise to:

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06 A fine beam becomes visible in a smoke-filled room due to:

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07 Which colour of sunlight is scattered most among the following when it…

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08 An astronaut on the Moon’s surface will observe the sky as:

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09 The bluish colour of deep-sea water is due to:

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10 Why is the light used in danger signals generally red?

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