Monochromatic radiation emitted when electron on hydrogen atom jumps from first excited to the ground state irradiates a

Question

Monochromatic radiation emitted when electron on hydrogen atom jumps from first excited to the ground state irradiates a photosensitive material The stopping potential is measured to be 3 57 V The threshold frequency of the material is 1 1 6 x 1015 Hz 3 4 x 1015 Hz AIPMT Prelims 2012 2 2 5 x 1015 Hz 4 5 x 1015 Hz

Kunduz · Accepted Answer

Click to see the answer