The kinetic energy of emitted electron is E when the light incident on the metal has wavelength λ. To double the kinetic energy, the incident light must have wavelength:

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

JEE Main 2022 · 29 Jul, Morning shift · Q6653

JEE Main 202229 Jul, Morning shiftPhysicsEasyDual Nature of Matter and Radiation146× since 2002

The kinetic energy of emitted electron is E when the light incident on the metal has wavelength

\lambda

. To double the kinetic energy, the incident light must have wavelength:

JEE Main 2022 Dual Nature of Matter and Radiation Question with Solution (29 Jul Morning shift, Q6653) | JEE Arc

JEE Main 2022 · 29 Jul, Morning shift · Q6653

JEE Main 202229 Jul, Morning shiftPhysicsEasyDual Nature of Matter and Radiation146× since 2002

The kinetic energy of emitted electron is E when the light incident on the metal has wavelength

\lambda

. To double the kinetic energy, the incident light must have wavelength: