Question

what is wavelength, frequency, amplitude,time period give their SI units​

Answer 1

when a wave passes through a medium the maximum displacement of the particle of medium on either side of its mean position is called the amplitude of wave its SI unit is metre

the number of vibrations oscillations made by particle of medium in 1 second is equal frequency its SI unit is Hertz

the distance travelled by the wave in one time period of vibration is called its wavelength its SI unit is also metre

the time taken by particle to complete its one vibration is called time period its SI unit is second

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Answer 2

(a) Wavelength : It is defined as the distance travelled by a wave during the time a particle of the medium completes one vibration. It is denoted by k. Its SI unit is metre.


(b) Time period : It is defined as the time by a vibrating particle to complete one vibration. It is denoted by T. Its SI unit is second.


© Amplitude : It is defined as the maximum displacement produced in the vibrating particle on either side of the mean position. It is denoted by A. Its SI unit is metre


{D} FREQUENCY is defined as the number of times an event occurs per unit of time. In physics and chemistry, the term frequency is most often applied to waves, including light, sound, and radio. Frequency is the number of times a point on a wave passes a fixed reference point in one second. SI UNIT IS HERTZ