Two sound waves and propagate through the same gas

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

Two sound waves

P

and

Q

propagate through the same gas. If the frequency of

P

300\,\text{Hz}

and that of

Q

450\,\text{Hz}

, what is the ratio of their wavelengths

\lambda_P : \lambda_Q

? (a)

2:3

(b)

9:4

(c)

3:2

(d)

1:1