Properties of sound
A sound wave is a mechanical wave (or mechanical vibration) that transit through media such as gas (air), liquid (water), and solid (wood).
Quality Of Sound
A sound or a sound wave is defined as the energy produced due to the vibrations of particles in a medium. When any medium produces a disturbance or vibrations, it causes a movement in the air particles which produces sound waves. Molecules in the air vibrate about a certain average position and create compressions and rarefactions. This is called pitch which is defined as the frequency of sound. The frequency is defined as the number of oscillations in pressure per second.
Categories of Sound Wave
People perceive sound in different ways, like a medico student takes sound as vibration produced by objects reaching the human eardrum. A physicist perceives sound as vibration produced by an object, which produces disturbances in nearby air molecules that travel further. Both of them describe it as vibration generated by an object, the difference is one talks about how it is received and other deals with how it travels and propagates across various mediums.
1) If the distance between two successive antinodes is d/2, then the wavelength is:
a) 2d
b) d
c) d/2
d) d/4
e) information is missing
2) How does the speed of the wave vary with the applied voltage?
a) There is no variation
b) Increases in equal proportion
c) It varies inversely proportional to the square root of the tension
d) It varies directly proportional to the second power of the voltage
e) It varies directly proportional to the square root of the tension
3) How the wavelength varies with the linear mass density of the string
a) There is no variation
b) It varies directly proportional to the second power of the linear density
c) It varies inversely proportional to the square root of the linear density
d) Increases in equal proportion
e) It varies directly proportional to the square root of the linear density
Since you have asked multiple question, we will solve the first question for you. If you
want any specific question to be solved then please specify the question number or post
only that question.
Step by step
Solved in 4 steps with 6 images
