The ionized calcium line in Sun's spectrum has a frequency of 7.526×10¹4 Hz. Find the frequency shift of this line in the solar spectrum due to the gravitational shift.
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- As per general relativity gravity affect the path of light. A gravitational source sends the space around it. Thus a photon leaving a gravitational source will lose energy.
- When this happens the frequency of the photon will reduce. This will increase the wavelength and the photon will be redshifted.
- The frequency shift due to gravity is given by,
Here G is the universal gravitational constant, M is the mass of the gravitational source, R is the radius of the gravitational source, and c is the speed of light.
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