g If a photon with an energy of 7.22 x 10-19 J hits the surface of a metal with a binding energy of 5.40 x 10-19 J, what is the velocity of the electron that is ejected

Arod of some material 0.20 m long elongates 0.20 mm on heating from 21 to 120°c. determine the value of the linear coefficient of thermal expansion [in (degrees c)^-1] for this material.

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

Most of the volume of an atom is occupied by the