The photoelectric threshold wavelength of silver is 3250 x 10-10 m. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength 2536 x 10-10 m is :
(Given h = 4.14 x 10-15 eVs and c = 3 x 108 ms-1)
Conservation of energy -
- wherein
maximum kinetic energy =
K.E=
Putting all these values we get
Option 1)
This solution is incorrect
Option 2)
This solution is incorrect
Option 3)
This solution is incorrect
Option 4)
This solution is correct