What is the speed of star in the line of sight if a spectral line shifts towards longer wavelength side by `0.032%` ?

The spectral line for a given element in the light received from a distant star is shifted towards longer wavelength side by 0.032% . Deduce the velocity of star in the line of sight.

The spectral line for a given element in the light received from a distant star is shifted towards longer wavelength side by 0.025% . Calculate the velocity of star in the line of sight.

The spectral line for a given element in the light received from a distant star is shifted towards longer wavelength side by 0.025% . Calculate the velocity of star in the line of sight.

The spectral line of a given element in the light received from a distant star is shifted towards the longer wavelength by 0.032% . Duduce the velocity of star in the line of sight.

The spectral line for a given element in light received from a distant star is shifted towards longer wavelength by 0.024% . Deduce the velocity of star in the line of sight.