Two open organ pipes of length $25 cm$ and $25.5 cm$ produce $10$ beat/sec. The velocity of sound will be ..... $m/s$
  • A$255$
  • B$250$
  • C$350$
  • D
    None of these
Medium
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    A tuning fork of frequency $340\, Hz$ is sounded above an organ pipe of length $120\, cm$. Water is now slowly poured in it. The minimum height of water column required for resonance is .... $cm$ (speed of sound in air $= 340 \,m/s$)
    View Solution
  • 2
    The correct figure that shows, schematically, the wave pattern produced by superposition of two waves of frequencies $9\,Hz$ and $11\,Hz,$
    View Solution
  • 3
    A progressive wave travelling along the positive $x-$ direction is represented by $y(x, t) = A\,sin\,\left( {kx - \omega t + \phi } \right)$. Its snapshot at $t = 0$ is given in the figure For this wave, the phase $\phi $ is
    View Solution
  • 4
    The amplitude of two waves are in ratio $5 : 2$. If all other conditions for the two waves are same, then what is the ratio of their energy densities
    View Solution
  • 5
    A standing wave is represented by

    $Y = A\sin (100t)\cos (0.01x)$

    where $Y$ and $A$ are in millimetre, $t$ is in seconds and $x$ is in metre. The velocity of wave is ..... $m/s$

    View Solution
  • 6
    A bus is moving with a velocity of $5 m/s$ towards a huge wall. the driver sounds a horn of frequency $165 Hz.$ If the speed of sound in air is $355 m/s,$ the number of beats heard per second by a passenger on the bus will be
    View Solution
  • 7
    The speed of sound in air is independent from its
    View Solution
  • 8
    The equation of a wave disturbance is given as : $y = 0.02 cos \left( {\frac{\pi }{2} + 50\pi t} \right) cos (10 x),$ where $x$ and $y$ are in meters and $t$ in seconds. Choose the wrong statement:
    View Solution
  • 9
    A policemen buzz a whistle of frequency $400\ Hz$. A car driver is approaching the policemen. The speed of car is $54\  kmh^{-1}$. The change in frequency experienced by the driver, when driver approaches the policemen and after he crosses the policemen, is ... $Hz$ [Velocity of sound is $350\  ms^{-1}$]
    View Solution
  • 10
    A hospital uses an ultrasonic scanner to locate tumours in a tissue. The operating frequency of the scanner is $4.2 MHz$. The speed of sound in a tissue is $1.7 \,km-s^{-1}$. The wavelength of sound in the tissue is close to
    View Solution