Dual Nature of Matter and Radiation: JEE Main 2009 Physics question

JEE Main 2009 · Annual, Paper 1 · Q6619

JEE Main 2009Annual, Paper 1PhysicsMediumDual Nature of Matter and Radiation146× since 2002

The surface of a metal is illuminated with the light of

400

nm.

The kinetic energy of the ejected photoelectrons was found to be

1.68

eV.

The work function of the metal is :

\left( {hc = 1240eV.nm} \right)

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JEE Main 2009 Dual Nature of Matter and Radiation Question with Solution (Annual Paper 1, Q6619) | JEE Arc

JEE Main 2009 · Annual, Paper 1 · Q6619

JEE Main 2009Annual, Paper 1PhysicsMediumDual Nature of Matter and Radiation146× since 2002

The surface of a metal is illuminated with the light of

400

nm.

The kinetic energy of the ejected photoelectrons was found to be

1.68

eV.

The work function of the metal is :

\left( {hc = 1240eV.nm} \right)