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Consider these statements: (I) the sky appears blue due to scattering, (II) the

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1. Consider these statements: (I) the sky appears blue due to scattering, (II) the seven colours of a rainbow are also mainly caused by scattering, and (III) the Sun appears reddish at sunrise due to scattering. Which are correct?

Only I is true

I and III are true

Only II is true

II and III are true

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Statements I and III correctly describe scattering effects. Statement II is wrong: a rainbow’s colours come from dispersion, a genuinely different phenomenon from scattering.

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Consider these statements: (I) the sky appears blue due to scattering, (II) the

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Beyond the answer

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