Question

Q.44. The photoelectric current in a photoelectrie
cell can be reduced to zero by a stopping
potential of 1.8 volt. Monochromatic light of
wavelength 2200 Å is incident on the cathode.
Find the maximum kinetic energy of the
photoelectrons in joules. Charge on electron
= 1.6 x 10-19 C]​

Answer 1

Answer:

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