Dual Nature of Matter and Radiation: JEE Main 2019 Physics question

JEE Main 2019 · 9 Apr, Morning shift · Q6626

JEE Main 20199 Apr, Morning shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

The electric field of light wave is given as

\overrightarrow E = {10^{ - 3}}\cos \left( {{{2\pi x} \over {5 \times {{10}^{ - 7}}}} - 2\pi \times 6 \times {{10}^{14}}t} \right)\mathop x\limits^ \wedge {{\rm N} \over C}

This light falls on a metal plate of work function 2eV. The stopping potential of the photoelectrons is : Given, E (in eV) = 12375/

\lambda

(inÅ)

More on Dual Nature of Matter and Radiation

JEE Main 2019 Dual Nature of Matter and Radiation Question with Solution (9 Apr Morning shift, Q6626) | JEE Arc

JEE Main 2019 · 9 Apr, Morning shift · Q6626

JEE Main 20199 Apr, Morning shiftPhysicsMediumDual Nature of Matter and Radiation146× since 2002

The electric field of light wave is given as

\overrightarrow E = {10^{ - 3}}\cos \left( {{{2\pi x} \over {5 \times {{10}^{ - 7}}}} - 2\pi \times 6 \times {{10}^{14}}t} \right)\mathop x\limits^ \wedge {{\rm N} \over C}

This light falls on a metal plate of work function 2eV. The stopping potential of the photoelectrons is : Given, E (in eV) = 12375/

\lambda

(inÅ)