If the sun become twice hotter, it will radiate

Energy sixteen times larger

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Predominantly in the infrared

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Predominantly in the ultra violet

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Energy sixteen times smaller

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Solution

The correct option is B Energy sixteen times larger
According to Stefan's law, energy emitter per unit are per unit time by a body is proportional to the fourth power of temperature.
Since the temperature is doubled, energy radiated becomes $2^{4}$ times = $16$ times

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