A metal surface is exposed to 500 {\nm} radiation. The threshold frequency of the metal for photoelectric current is 4.3 \times10^{14} {\Hz}. The velocity of ejected electron is .......... \times10^{5} {\ms}^{-1}. (Nearest integer) [Use \h=6.63 \times10^{-34}{\Js}, \m_{\e}=9.0 \times10^{-31} {\kg} ] [26 Aug 2021 Shift 2]

Structure of Atom Part 1

Section: Chemistry

Question : 10 of 100

Marks: +1, -0

A metal surface is exposed to 500‌nm radiation. The threshold frequency of the metal for photoelectric current is 4.3×1014‌Hz. The velocity of ejected electron is .......... ×105ms−1. (Nearest integer)
[Use h=6.63×10−34‌Js,me=9.0×10−31‌kg ]

[26 Aug 2021 Shift 2]

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