Categories > wave-optics > Doppler's Effect of Light > A star emitting radiation at a wavelength of 5000 Å is approaching earth with a velocity of $1.5 \times {10^6}m/s$. The change in wavelength of the radiation as received on the earth, is

wave-optics

Question: A star emitting radiation at a wavelength of 5000 Å is approaching earth with a velocity of $1.5 \times {10^6}m/s$. The change in wavelength of the radiation as received on the earth, is


1) 25 Å
2) Zero
3) 100 Å
4) 2.5 Å
Solution: Explanation: No Explanation
Doppler's Effect of Light

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