Given: Frequency range n 1 = 20 Hz to n 2 = 20 kHz = 20 x 10 3 Hz, Velocity of sound in air = v = 330 ms -1. Given velocity of sound in air 330 m s -1. Express this range in terms of (i) period T (ii) wavelength λ in air and (iii) angular frequency. of Vibrations = 1.25 X 64Īns: Distance travelled by the sound wave in 64 vibrations is 80 m.Īudible frequencies have a range 20 Hz to 20 kHz. of vibration made = 64ĭistance travelled by sound = Wavelength x No. Given: Frequency, n = 256Hz, Velocity of sound, v = 320 m s-1, No. If the frequency of tuning fork is 256Hz and the velocity of sound in air is 320 m/s, find how far the sound travels while the tuning fork makes 64 vibrations. of Vibrations = 0.8 X 30Īns: Distance travelled by the sound wave in 30 vibrations is 24 m.
of vibration made = 30ĭistance travelled by sound = Wavelength x No. Given: Frequency, n = 400Hz, Velocity of sound, v = 320 m s-1, No. If the frequency of tuning fork is 400Hz and the velocity of sound in air is 320 m/s, find how far the sound travels while the tuning fork makes 30 vibrations. Given: Frequency = n = 3600 waves per minute = 3600/60 = 60 Hz, Velocity of radio wave = v = 960 m s -1.Īns: Wavelength of the radio wave is 16 m. If 3600 waves are passing through medium in 1 minute, calculate the wavelength of the wave. The speed of wave in a medium is 960 m s -1. Given: Frequency, n = 500 kHz = 500 x 10 3 Hz, Velocity of radio wave = v = 3 x 10 8 m s -1.Īns: Wavelength of the radio wave is 600 m. Find the wavelength of radio waves being broadcast at a frequency of 500 KHz. The velocity of radio waves is 3 × 108 m s -1. Given: velocity of sound, v = 330 m/s, Frequency = n = 512 Hz. If a tuning fork vibrates with a frequency of 512 Hz to produce sound waves which travel with a velocity of 330 m s −1. Given: velocity of sound, v = 340 m/s, Time period = T = 1/200 s. Find the wavelength of the sound given out by the tuning fork. Given: Frequency, n = 12 MHz = 12 x 10 6 Hz, Velocity of radio wave = v = 3 x 10 8 m s -1.Īns: Wavelength of the radio wave is 25 m.Ī tuning fork makes one complete vibration in 1/200 second and the velocity of sound waves is 340 m/s. Given: Frequency, n = 356 Hz, Velocity of sound, v = 330 m s -1.Ī radio station broadcasts at a frequency of 12 MHz. Find the wavelength of sound waves produced. Given: Frequency, n = 200 Hz, Wavelength = λ = 8.0 m.Īns: The velocity of wave is 1600 m s -1.Ī tuning fork vibrates with a frequency of 356 Hz to produce sound waves which travel through air with a velocity of 330 m/s. Velocity of radio waves = 3 x 10 8 m s -1Ī transverse wave has wavelength of 8.0 meters and frequency 200 Hertz.
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