wave-optics

Question: Light from the constellation Virgo is observed to increase in wavelength by 0.4%. With respect to Earth the constellation is

1) Moving away with velocity $1.2 \times 10^6$ m/s

2) Coming closer with velocity $1.2 \times 10^6$ m/s

3) Moving away with velocity $4 \times 10^6$ m/s

4) Coming closer with velocity $4 \times 10^6$ m/s

Solution:

Explanation: No Explanation

Doppler's Effect of Light

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