Answer:
velocity of this in the direction of the Earth is 6.4 × [tex]10^{6}[/tex] m/s
Explanation:
given data
wavelength [tex]\lambda 1[/tex] = 121.6 nm
wavelength [tex]\lambda 2[/tex] = 124.2 nm
solution
we get here first change in wavelength that is
[tex]\triangle \lambda[/tex] = 124.2 nm - 121.6 nm ...............1
[tex]\triangle \lambda[/tex] = 2.6 nm
we get here velocity of direction of the Earth that is express as
[tex]\frac{\triangle \lambda }{\lambda 1} =\frac{v}{c}[/tex] ............2
put here value we get v
v = [tex]\frac{3\times 10^8\times 2.6}{121.6}[/tex]
v = 6.4 × [tex]10^{6}[/tex] m/s
