Answer:
C. 250 nanometers
Step-by-step explanation:
As we know that energy of the photon is given as

here we can see that the energy of photon is inversely depends on the wavelength of the light
So for maximum energy of the light we must have minimum wavelength
So here we can say that correct answer for maximum energy is minimum wavelength out of all given
so correct answer will be
C. 250 nanometers