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A particular star is white. Another star that is much hotter is expected to be ______. red yellow orange blue

Question

A particular star is white. Another star that is much hotter is expected to be ______.

  • red
  • yellow
  • orange
  • blue
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Solution

To determine the color of a much hotter star, we need to refer to the principles of black-body radiation, specifically Wien’s Displacement Law. This law states that the wavelength (and hence the color) of the peak emission of a black body is inversely proportional to its temperature.

  1. Hotter Stars and Color: As the temperature of a star increases, it emits more light at shorter wavelengths. Therefore, much hotter stars tend to emit light towards the blue end of the spectrum.

  2. Color Spectrum: In the visible spectrum, the order of colors from coolest to hottest is typically red, orange, yellow, and then blue. A star that is much hotter than a white star would emit light that our eyes perceive as blue.

Based on this analysis, the answer to the question is that another star that is much hotter than the white star is expected to be blue.

This problem has been solved

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