A. The commander in chief role deals only with the the military, while the chief executive role is broader
Answer with Explanation:
We are given that
Angle of incidence,
Angle of refraction,
a.Refractive index of air,
We know that
b.Wavelength of red light in vacuum,
Wavelength in the solution,
c.Frequency does not change .It remains same in vacuum and solution.
Frequency,
Where
Frequency,
d.Speed in the solution,
I think it’s a. the lithosphere