A ray of light makes an angle of incidence of 42.8° at the boundary of glycerine and flint glass. If the refractive indices of these materials are 1.47 and 1.72 respectively, through what angle is the ray
deviated?​

Which units can be used to measure length or distance? check all that apply. gram meter kilometer liter inch

When considering gravity acceleration and the force of acceleration, what must be true? a. the direction of acceleration must be perpendicular to the direction of the force. b. the direction of the force and the direction of acceleration must be the same as each other. c. the direction of the force and the direction of acceleration must be opposite of each other. d. the mass of the body must be the same as the acceleration of the body.

What is an aquifer for science class