In Melde's experiment, the string vibrates in $4$ loops when a $50 \,gram$ weight is placed in the pan of weight $15\, gram.$ To make the string to vibrates in $6$ loops the weight that has to be removed from the pan is
  • A$0.0007\, kg\, wt$
  • B$0.0021\, kg\, wt$
  • C$0.036 \,kg \,wt$
  • D$0.0029 \,kg \,wt$
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
    A wire is stretched between two rigid supports vibrates in its fundamental mode with a frequency of $50\,\, Hz$ . The mass of the wire is $30\,\, g$ and its linear density is $4\, \times \, 10^{-2}\,\, kg/m$ . The speed of the transverse wave at the string is  ...... $ms^{-1}$
    View Solution
  • 2
    A tuning fork of known frequency $256\,Hz$ makes $5$ beats per second with the vibrating string of a piano. The beat frequency decreases to $2$ beats per second when the tension in the piano string is slightly increased. The frequency of the piano string before increasing the tension was
    View Solution
  • 3
    The given diagram shows three light pieces of paper placed on a wire that is stretched over two supports, $Q$ and $R$ , a distance $4x$ apart. When the wire is made to vibrate at a particular frequency, all the pieces of paper, except the middle one, fall off the wire. Which of the following could be the wavelength of the vibration?
    View Solution
  • 4
    The figure represents the instantaneous picture of a transverse harmonic wave traveling along the negative $x$-axis. Choose the correct alternative $(s)$ related to the movement of the nine points shown in the figure.  The points moving downwards is/are
    View Solution
  • 5
    If vm is the velocity of sound in moist air, vd is the velocity of sound in dry air, under identical conditions of pressure and temperature
    View Solution
  • 6
    A policeman on duty detects a drop of $10 \%$ in the pitch of the hom of motion of car as it crosses him. If the velocity of sound is $330 \,m / s$. Calculate the speed of the car ........... $m / s$
    View Solution
  • 7
    Which of the following statements are wrong about the velocity of sound in air:
    View Solution
  • 8
    A tuning fork vibrates with frequency $256\, Hz$ and gives one beat per second with the third normal mode of vibration of an open pipe . What is the length of the pipe? ... $cm$ (Speed of sound of air is $340\, ms^{-1}$)
    View Solution
  • 9
    The equation of a transverse wave travelling on a rope is given by $y = 10\sin \pi (0.01x - 2.00t)$ where $y$ and $x$ are in $cm$ and $t$ in $seconds$. The maximum transverse speed of a particle in the rope is about .... $cm/s$
    View Solution
  • 10
    A car $P$ travelling at $20\,ms ^{-1}$ sounds its horn at a frequency of $400\,Hz$. Another car $Q$ is travelling behind the first car in the same direction with a velocity $40\,ms ^{-1}$. The frequency heard by the passenger of the car $Q$ is approximately $.......\,Hz$ [Take, velocity of sound $=360\,ms ^{-1}$ ]
    View Solution