Photoelectric EffectHard
Question
Photons of energy 5.5 eV fall on the surface of the metal emitting photoelectrons of maximum kinetic energy 4.0 eV. The stopping voltage required for these electrons are :
Options
A.5.5 V
B.1.5 V
C.9.5 V
D.4.0 V
More Photoelectric Effect Questions
If in a wire of young,s modulus Y,longitudinal strain X is produced then the potential energy stroed in its unit volume ...20 KV potential is applied across X-ray tube, the minimum wavelength of X-ray emitted will be...Which energy state of doubly ionized lithium (Li++) has the same energy as that of the ground state of hydrogen ? Given ...The surface of a metal is illuminated with the light of 400 nm. The kinetic energy of the ejected photoelectrons was fou...An X-ray tube when operated at 60 kV, then reading of tube current is 50 mA. Assuming that the total energy of electron ...