The blackbody curve of a star moving toward Earth would have its peak shifted (a) to lower intensity; (b) toward higher energies; (c) toward longer wavelengths; (d) toward lower energies.

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06-02-2020
Physics

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The blackbody curve of a star moving toward Earth would have its peak shifted (a) to lower intensity; (b) toward higher energies; (c) toward longer wavelengths; (d) toward lower energies.

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cjmejiab cjmejiab · Answer 1 · 2020-02-07T05:37:05+01:00

cjmejiab cjmejiab

07-02-2020

As show the figure, peak of each blackbody curves shifts towards higher frequency. Then energy emitted by the black body is directly proportional to the frequency incident radiation.

Hence peak is shifted to higher energies.

Therefore the correct option is B: Toward higher energies.

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