8. 89/8. The lines in the visible region of the hydrogen
spectrum are
A. spaced evenly
throughout the spectrum B. more closely spaced at high
energies
C. more closely
spaced at low energies D. more closely spaced in the middle
of the spectrum
9. 96/4 The spectral line
that corresponds to the electronic transition n=3 ® n=2 in the hydrogen atom is
red in colour. What type of radiation is released during the
transition n=2 ®
n=1?
A. ultraviolet B. red light
C. infrared D. radio waves