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Structure of Atom question

2021 · 26 Aug · Shift 2 · Q16
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Structure of Atom question

2021 · 26 Aug · Shift 2 · Q16

JEE MainChemistryStructure of AtomNumerical+4 / −1
A metal surface is exposed to 500 nm radiation. The threshold frequency of the metal for photoelectric current is 4.3 ×\times× 1014 Hz. The velocity of ejected electron is ‾\underline{\hspace{2cm}}​×\times× 105 ms −-− 1 (Nearest integer) [Use : h = 6.63 ×\times× 10 −-− 34 Js, me = 9.0 ×\times× 10 −-− 31 kg]
Numerical answer
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