If the frequency of the incident radiation is increased from 4×1015Hz to 8×1015Hz, by how much will the stopping potential for a given photosensitive surface go up?
If the frequency of the incident radiation is increased from 4×1015Hz to 8×1015Hz, by how much will the stopping potential for a given photosensitive surface go up?
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Q2
When light of frequency 2.2×1015Hz is incident on a metal surface, photoelectrons emitted can be stopped by a retarding potential of 6.6V. For light of frequency 4.6×1015Hz, the reverse potential is 16.5V. Find h
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Q3
Monochromatic radiation is emitted when the electron in hydrogen atom jumps from the first excited state to the ground state. It is incident on a photosensitive material. The stopping potential is measured to be 3.57V. The threshold frequency of the material is