JEE Main 202126 Aug, Evening shiftChemistryMediumAtomic Structure113× since 2002
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 ms^1 (Nearest integer)
[Use : h = 6.63 10^34 Js, m_e = 9.0 10^31 kg]