When ultraviolet light with a wavelength of 400 nmnm falls on a certain metal surface, the maximum kinetic energy of the

[answerhappygod]

When ultraviolet light with a wavelength of
400 nmnm falls on a certain metal surface, the maximum
kinetic energy of the emitted photoelectrons is
1.10 eVeV .
1)
What is the maximum kinetic energy K0K0K_0 of the
photoelectrons when light of wavelength 300 nmnm falls on
the same surface?
Use hhh = 6.63×10−34 J⋅sJ⋅s for
Planck's constant and ccc =
3.00×108 m/sm/s for the speed of light and
express your answer in electron volts.