The stopping potential for photoelectrons emitted from a surface illuminated by light of wavelength 6630 A^(o) is 0.42 V. If the threshold frequency is x × 10¹³ /s, where x is _ _ _ _ _ (nearest integer). (Given, speed light = 3 × 10⁸ m/s, Planck's constant = 6.63 × 10⁻³4 Js)

Dual Nature of Matter and Radiation: JEE Main 2022 Physics question

JEE Main 2022 · 26 Jun, Evening shift · Q58

JEE Main 202226 Jun, Evening shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

The stopping potential for photoelectrons emitted from a surface illuminated by light of wavelength 6630

\mathop A\limits^o

is 0.42 V. If the threshold frequency is x

\times

10¹³ /s, where x is _________ (nearest integer). (Given, speed light = 3

\times

10⁸ m/s, Planck's constant = 6.63

\times

10^

-

34 Js)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Dual Nature of Matter and Radiation Question with Answer (26 Jun Evening shift, Q58) | JEE Arc