Answer:
a) 357.29 Hz
b) 535.9375 Hz
Step-by-step explanation:
v = Velocity of sound in air = 343 m/s
l = length = 24 cm
a)


∴ Resonant frequency is 357.29 Hz
b) Here one third is filled with soda
So, length becomes 

∴ Resonant frequency is 535.9375 Hz
Answer:
10 and 1/3
Step-by-step explanation: