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29 June, 16:00

O 1.0 mm DI Question4 1 pts The light spectrum of a star shows the peak wavelength emitted by thel star to be at 400 nm. What is the surface temperature of the star? 9875 K O 4625 K 7250 K 8750 K

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  1. 29 June, 16:18
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    the surface temperature of star is 7250 K

    Explanation:

    Given data

    wavelength = 400 nm

    to find out

    the surface temperature of star

    solution

    we will apply here wiens law formula that is given below

    wavelength * temperature = 0.0029 m-k ... 1

    put the value of wavelength in equation 1 so we get temperature here

    wavelength * temperature = 2900000 nm-k

    temperature = 2900000 / 400

    temperature = 7250 K

    so the surface temperature of star is 7250 K
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