PHYS 1060 Lecture 20: PHYS1060_Light&PhotoelectricEffect

Which of the following units are equivalent to those of motionalemf?
a)T x m/s
b)V x m^2/s
c)J/s
d)A x O
e)T x m

thanks in advance

If you had two lenses with identical shape, one of glass and one ofdiamond, which oe would have the longest focal length?