The wave phenomenon demonstrated in the diagram above is?
THe velocity of sound in air at 16oC is 340ms-1. What will it be when the pressure is doubled and its temperature raised to 127ºC?
The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40Hz and 150Hz?
Notes of the same frequency sounded on a guitar and trumpet may differ in
I. loudness
II. Pitch
III. quality Which of the statements above is correct?
An observer heard the sound of thunder 5.8s after the lightning flash was seen. How far was he from the source? [Speed of sound in air = 330ms-1]
