What is the energy of a photon with a frequency of 2.2 × 1016 hz? planck’s constant is 6.63 × 10–34 j•s. 1.5 × 10–17 j 8.8 × 10–17 j 1.5 × 10–16 j 8.8 × 10–16 j

Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct