Dual Nature of Matter and Radiation: JEE Main 2002 Physics question

JEE Main 2002 · Annual, Paper 1 · Q6612

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

Sodium and copper have work functions

2.3

eV

and

4.5

eV

respectively. Then the ratio of the wavelengths is nearest to

JEE Main 2002 · Annual, Paper 1 · Q6612

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

Sodium and copper have work functions

2.3

eV

and

4.5

eV

respectively. Then the ratio of the wavelengths is nearest to

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