The refracted light beam shown in Figure P35.8 forms an angle ɸ = 20.0º with the normal line NN 'in linseed oil. The refractive index of linseed oil is 1.48. Determine the angles (a) θ and (b) θ ’.

What is the temperature in degrees celsius of a substance with a tempature of 49k

The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)