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Wave Optics — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
Question
When the light source is approaching, the Doppler effect for light is known as:
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Answer

  1. Blue Shift
Explanation:
Optical light with a short wavelength is blue. When the wavelength of the light gets shortened by Doppler effect, we refer to the change in the wavelength as blue shift.

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