material λ (nm) n
material
λ -lrb- nm -rrb-
n
first second
number
number minimum maximum
text(text) number numberspan
ethyl alcohol (ethanol) 589.29 1.336-1.582
which material does not have a wavelength above 500nm ?
WDT NN VBD-AUX RB VBD-AUX DT NN IN CD .