NCERT Class XII Chapter <br>Dual Nature of Radiation and Matter <br> Questions With Solutions

NCERT Class XII Chapter
Dual Nature of Radiation and Matter
Questions With Solutions

Question : 3

Total: 37

The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted?

Solution:

Here V0 = 1.5 V
Kmax = eV0 = 1.5 eV = 1.5 × 1.6 × 10–19 J = 2.4 × 10–19 J

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