Find the maximum kinetic enegry of photoelectrons liberated form the surface of lithium
Channel: Doubtnut
Date: 2020-08-23

Find the maximum kinetic enegry of photoelectrons liberated form the surface of lithium by electromagnetic radiation whose electric component varies with time as `E = a(1+cos omegat) cos omega_(0)t`, where `a` is a constant, `omega = 6.0.10^(14)s^(-1)` and `omega_(0) = 360.10^(15)s^(-1)`.