Exam
Chemistry
A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is 4.3 1014 Hz. The velocity of ejected electron is ____________ 105 ms1 (Nearest integer)
[Use : h = 6.63 1034 Js, me = 9.0 1031 kg]
[Use : h = 6.63 1034 Js, me = 9.0 1031 kg]
Select an option to instantly check whether it is correct or wrong.



