Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
A transverse wave is represented by the equation $y=2 \sin (30 t-40 x)$ and the measurements of distances are in meters, then the velocity of propagation is
PhysicsWaves and SoundAP EAMCETAP EAMCET 2015
Options:
  • A $15\ ms{-1}$
  • B $0.75\ ms{-1}$
  • C $3.75\ ms{-1}$
  • D $300\ ms{-1}$
Solution:
2814 Upvotes Verified Answer
The correct answer is: $0.75\ ms{-1}$
We have $y=2 \sin (30 t-40 x)$
The standard transverse wave is $y=A \sin (\omega t-k x)$
So, $\omega=30$ and $k=40$
On comparing, we get
$v=\frac{\omega}{k}=\frac{30}{40}=0.75 \mathrm{~m} / \mathrm{s}$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.