ESS
Grade-9
Easy

Question

________star color is the hottest.

  1. Blue
  2. Red
  3. Yellow
  4. Orange

hintHint:

The wavelength of light emitted by the star is inversely proportional to the heat of the star.

The correct answer is: Blue


    • Hottest star emit light of smaller wavelengths.
    • Blue has smaller wavelengths than yellow and red.

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