Advertisements
Advertisements
प्रश्न
The diagram given below shows a displacement distance graph of a wave. If the velocity of wave is 160 ms-1, calculate:
- wavelength
- frequency
- amplitude.
Advertisements
उत्तर
(i) Wavelength (λ) = Distance between two consecutive crests
= 1.0 - 0.2 = 0.8 m
(ii) Frequency (f) = `"v"/lambda`
Wavelength (v) = 160ms-1 ...(given)
∴ f = `160/0.8 = 200` Hz
(iii) Amplitude = Maximum displacement from mean position = 10 cm
APPEARS IN
संबंधित प्रश्न
What are longitudinal waves and transverse waves? Explain with the help of labelled diagrams.
We can distinguish between the musical sounds produced by different singers on the basis of the characteristic of sound called :
Draw a displacement-distance graph of a wave and mark on it, the amplitude of wave by the letter 'a' and wavelength of wave by the letter λ.
Answer the following question :
Can sound travel in vacuum?
Select the correct option:
If the frequency of a wave is 25 Hz. the total number of compressions and rarefactions passing through a point in 1 second is :
Two tuning forks A and B of frequencies 256 Hz and 192 Hz respectively are vibrated in air. If the wavelength of A is 1.25 m, calculate the wavelength produced by B.
Can we produce sound in vacuum?
Name the factors on which the speed of sound depends.
Lightning can be seen the moment it occurs. Paheli observes lightning in her area. She hears the sound 5 s after she observed lightning. How far is she from the place where lightning occurs? (speed of sound = 330 m/s).
