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| 1. |
Light from the constellation Virgo is observed to increase in wavelength by 0.4 %. With respect to Earth the constellation is : (a) Moving away with velocity 1.2×10^6 ms^{-1} (b) Coming closer with velocity 1.2 × 10^6 ms^{-1} (c) Moving away wirh velocity 4×10^6 MS^{-1} (d) Coming closer with velocitye 4×10^6 ms^{-1}. |
| Answer» Light from the constellation Virgo is observed to increase in wavelength by 0.4 %. With respect to Earth the constellation is : (a) Moving away with velocity 1.2×10^6 ms^{-1} (b) Coming closer with velocity 1.2 × 10^6 ms^{-1} (c) Moving away wirh velocity 4×10^6 MS^{-1} (d) Coming closer with velocitye 4×10^6 ms^{-1}. | |