Most of the galaxies in the universe are observed to be moving away from Earth. Suppose...
Most of the galaxies in the universe are observed to be moving away from Earth. Suppose a particular galaxy emits orange light with a frequency of 5.000×1014Hz.
If the galaxy is receding from Earth with a speed of 4875 km/s,
what is the frequency of the light when it reaches Earth?
Homework Answers
As we know that;
= f= 5*10^14 Hz
= v= 4874 km/s = 4.875*10^6 m/s
= c= 3*10^8 m/s
Then,
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Most of the galaxies in the universe are observed to be moving
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