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qUESTIONS

Consider the following statements about stationary waves: The distance between two adjacent nodes or antinodes is equal to λ/2 (λ= wavelength of the wave) B.A node is always formed at the open end of the open organ pipe. Choose the correct option from the following nodes

The equation of the standing wave y= 0.02 cos 2πx/60 sin(150πt) metre. The amplitude of vibration of a particle at a distance of 10 meter from the origin is: (cos 60°=sin 30°= ½)

An air column in a pipe open at one end of length 24 cm resonates with a tunning fork of frequency 320 Hz. If end correction is 1 cm, velocity of sound is

The frequency of two tuning forks X and Y are respectively 1.4% more and 2.5% less than that of the tuning fork Z. When tuning forks X and Y are sounded together, 10 beats/ second are produced. The frequency of tuning fork Z is

A resonance tube closed at one end is of height 1.5m. A tuning fork of frequency 340 Hz is vibrating near the open end of the tube. Water is poured in the tube gradually. The minimum height of air column for which resonance is obtained is (neglect end correction, speed of sound in air = 340 m/s)

The sequence of harmonics of a pipe open at one end and closed at the other end is 250 Hz and 350 Hz respectively. The resonating length of the air column in its fundamental mode will be (Velocity of sound in air = 340 m/s)

A uniform metal wire of length ‘L’, mass ‘M’ and density ‘p’ is under a tension ‘T’. If the speed of the transverse wave along the wire is ‘v’, then area of cross-section of the wire is

The equation of stationary wave on a string clamped at both ends and vibrating in third harmonic is Y = 0.5 sin (0.314.x) cos(600πt) where x and y are in cm, t in second. The length of the vibrating string is

A cylindrical tube open at both ends has fundamental frequency f in air. When the tube is dipped vertically in water so that one-third part of the tube is in water, the fundamental frequency of air column becomes(neglect end correction)

A string of mass ‘M’ is under a tension ‘T . The length of the string is ‘L’. A transverse wave starts at one end of the string. The time required for the disturbance to reach the other end is

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