A wave on a string has a frequency of $440 Hz$ and a wavelength of $1.3 m$ . How fast does the wave travel?

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

570 m / s

550 m / s

520 m / s

540 m / s

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

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

Take Free Test

Detailed Solution

The wave speed is

570 m / s

Given,
Frequency

f = 440 Hz

Wavelength

λ = 1.3 m

To find the wave speed, we need to use the following formula:
Since we know the frequency and wavelength, we just plug the values into the equation and solve for

v .

Speed

v = fλ

= 440 \times 1.3

= 570 m / s

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Books for IIT JEE

Best Books for NEET

🔥 Start Your JEE/NEET Prep at Just ₹1999 / month - Limited Offer! Check Now!

Get Expert Academic Guidance – Connect with a Counselor Today!