Q. Calculate the linear speed due to the Earth's rotation for a person at a point on its surface located at 40o N latitude (this would be near the Ohio river valley, for instance). The radius of the Earth is 6.40 ξ 106 m. (For comparison, the speed of sound is about 330 m/s.)
Q. The index of refraction for violet light in silica flint glass is 1.66 and tha for red light is 1.62. What is the angular dispersion of visible light passing through an equilateral prism of apex angle 60.0 if the angle of incidence is 50?