30 pts choose the best answer to describe light waves transmission when it meets a medium. * 1 point spreads out in the medium goes into the medium goes through the medium bounces off the medium appears to bend in the medium

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

What is the momentum of a 2 kg object moving at 15 meters per second

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .