Book Online Demo

Check Your IQ

Try Test

Courses

Offline Centres

Waves of wavelength $1.5 cm$ are propagating through the air with a speed of $345 m / s .$ What is the frequency of the waves?

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

32000 Hz

22000 Hz

23000 Hz

3 Hz

answer is C.

(Unlock A.I Detailed Solution for FREE)

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

The frequency of the waves is

23000 Hz

.
It is given that,
Velocity of sound

(v) = 345 m / s

Wavelength

(λ) = 1.5 cm

= 0.015 m

We know that,

v = λ \times f

\Rightarrow 345 m / s = 0.015 m \times f

\Rightarrow f = 345 m / s / 0.015 m

\Rightarrow f = 23000 Hz .

Watch 3-min video & get full concept clarity

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test