For a trump, the notes G3(196Hz) and C4 (261 Hz) are both played with the same configuration. Which normal modes of vibration in the air within the trumpet do these respond to?

a) n=1 and n=2

b)n=2 and n=3

c) n=3 and n=4

d)n=4 and n=5

e) cannot tell from the info given