A sonometer wire of resonating length $90 \mathrm{~cm}$ has a fundamental frequency of $400 \mathrm{~Hz}$ when kept under some tension. The resonating length of the wire with fundamental frequency of $600 \mathrm{~Hz}$ under same tension________.$\mathrm{cm}$.
  • A$30$
  • B$40$
  • C$50$
  • D$60$
JEE MAIN 2024, Diffcult
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
    The transverse displacement $y(x, t)$ of a wave on a string is given by $y(x, t)=e^{-\left(a x^2+b t^2+2 \sqrt{a b} x t\right)}$ This represents a
    View Solution
  • 2
    A closed organ pipe $150 \mathrm{~cm}$ long gives $7$ beats per second with an open organ pipe of length $350 \mathrm{~cm}$, both vibrating in fundamental mode. The velocity of sound is_________ $\mathrm{m} / \mathrm{s}$.
    View Solution
  • 3
    A police car with a siren of frequency $8 \ kHz$ is moving with uniform velocity $36 \ km / hr$ towards a tall building which reflects the sound waves. The speed of sound in air is $320 \ m / s$. The frequency of the siren heard by the car driver is
    View Solution
  • 4
    A string is stretched between fixed points separated by $75.0\,\, cm.$ It is observed to have resonant frequencies of $420\,\, Hz$ and $315\,\, Hz$. There are no other resonant frequencies between these two. The lowest resonant frequency for this string is .... $Hz$
    View Solution
  • 5
    A transverse harmonic wave on a string is given by $y(x, t)=5 \sin (6 t+0.003 x)$ where $x$ and $y$ are in $cm$ and $t$ in $sec$. The wave velocity is $...........\,ms ^{-1}$.
    View Solution
  • 6
    A travelling wave passes a point of observation. At this point, the time interval between successive crests is $0.2$ seconds and
    View Solution
  • 7
    To raise the pitch of a stringed musical instrument the player can
    View Solution
  • 8
    Figure given shows a sinusoidal wave on a string. If the frequency of the wave is $150\, Hz$, what is the wavelength and velocity of the given wave ?
    View Solution
  • 9
    First overtone frequency of a closed organ pipe is equal to the first overtone frequency of an open organ pipe. Further nth harmonic of closed organ pipe is also equal to the mth harmonic of open pipe, where $n$ and $m$ are:
    View Solution
  • 10
    Sound waves of frequency $660 \,\,Hz$ fall normally on a perfectly reflecting wall. The shortest distance from the wall at which the air particle has maximum amplitude of vibration is .... $m$ (velocity of sound in air is $330 \,\,m/s$)
    View Solution