Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Oscillations
Answer
Comment
Share
Q)

A point source emits sound waves with an average power out-put of 8.0 w .Then find intensity at 3.0 m & distance at which the sound level is 40 dB

$(a)\;0.707\;w/m^2\;,2.52\times10^{5} \;m\qquad(b)\;0.707\;w/m^2\;,2.52\times10^{3} \;m\qquad(c)\;0.707\;w/m^2\;,2.52\times10^{4} \;m\qquad(d)\;None$

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...