Questions asked
Ankur S
Numerade educator
A string, fixed at both ends, vibrates at a frequency of 12 Hz with a standing wave pattern containing 3 loops. What frequency is needed if the standing wave pattern must contain 4 loops?
A pipe of length 2m is open at both ends. The frequency of a certain harmonic is 410 Hz and the frequency of the next higher harmonic is 492 Hz. Determine the speed of sound in the pipe.
Aparna Shakti
produces a sound level of 53 dB. A single student speaking normally produces a sound level of 40 dB. How many students are in the room? Assume each student in the group speaks at the same sound level as did the single student.