MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Frequency

Beats are pro...

Question

Beats are produced by two waves $y_{1} = a s i n 200 π t$ and $y_{2} = a s i n 208 π t$ . The number of beats heard per second is

A

8

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C 4
The standard equation of the wave is
$y = A s i n 2 π n t$
Comparing the given equations we get, the frequency of two waves as
$n_{1} = 100 H z$ and $n_{2} = 104 H z$
Hence the number of beats heard per second is
$n_{2} - n_{1} = 104 - 100 = 4$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Beats are produced by two waves given by

y_{1} = a sin 2000 π t

y_{2} = a sin 2008 π t

. The number of beats heard per second is

Q. Two sound waves are given by

y_{1} = sin (2000 π t)

y_{2} = sin (2008 π t)

. The number of beats heard per second is:

Q. If the equations of two sound waves are

y_{1} = 5 sin 252 π t

y_{2} = 5 sin 281 π t

respectively. Then the number of beats heard per second will be

Q. Two vibrating tuning forks produce waves given by

y_{1} = 4 sin 500 π t

y_{2} = 2 sin 506 π t

. Number of beats produced per minute is

Q. Two vibrating tuning forks produce progressive waves given by

y_{1} = 4 sin 500 π t

y_{2} = 2 sin 506 π t

. Number of beats produced per minute is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Surfing a Wave

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon