[单选题]
The relationship between energy, uk3t c)t)c)nhE, and wavelength, λ, is shown accordw0m6pt/on4k do ix ./wing to the equat/ 0 wo 4ntw6xk.oi/mdpion below.
E=$\frac{hc}{λ}$
Which of the below statements are correct for the graph below representing E=$\frac{hc}{λ}$
?
I. Energy and wavelength are directly proportional
II.The units for the gradient are J m$^{-1}$
III.The y-intercept has the units J
A. I and III only
B. II and III only
C. III only
D. I, II, and III
