What is the longest wavelength λ of light that will exhibit constructive interference at normal incidence? the keratin layers are thin enough that you can think of them as representing the surfaces of a 200-nm "film" of air?

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

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.

If forces acting on an object are unbalanced. true or false