In an experiment with sonometer when a mass of $180\,g$ is attached to the string, it vibrates with fundamental frequency of $30\,Hz$. When a mass $m$ is attached, the string vibrates with fundamental frequency of $50\,Hz$. The value of $m$ is $.........\,g$.
  • A$400$
  • B$500$
  • C$300$
  • D$200$
JEE MAIN 2023, 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 rope of length $L$ and uniform linear density is hanging from the ceiling. A transverse wave pulse, generated close to the free end of the rope, travels upwards through the rope. Select the correct option.
    View Solution
  • 2
    A wave equation is given as $y = cos\,\,(500t - 70x),$ where $y$ is in $mm$, $x$ in $m$ and $t$ is in $sec$.
    View Solution
  • 3
    A source of sound emits $200\pi W$ power which is uniformly distributed over a sphere of $10 m$ radius. What is the loudness of sound on the surface of a sphere
    View Solution
  • 4
    A source of sound is travelling towards a stationary observer. The frequency of sound heard by the observer is of three times the original frequency. The velocity of sound is $v\, m/sec.$ The speed of source will be
    View Solution
  • 5
    In a plane progressive wave given by $y = 25\cos (2\pi t - \pi x)$, the amplitude and frequency are respectively
    View Solution
  • 6
    A source is moving towards an observer with a speed of $20 m/s$ and having frequency of $240 Hz.$ The observer is now moving towards the source with a speed of $20 m/s$. Apparent frequency heard by observer, if velocity of sound is $340 m/s$, is ... $Hz$
    View Solution
  • 7
    Consider the following

    $I.$ Waves created on the surfaces of a water pond by a vibrating sources.

    $II.$ Wave created by an oscillating electric field in air.

    $III.$ Sound waves travelling under water.

    Which of these can be polarized

    View Solution
  • 8
    The frequency of transverse vibrations in a stretched string is $200 Hz$. If the tension is increased four times and the length is reduced to one-fourth the original value, the frequency of vibration will be  .... $Hz$
    View Solution
  • 9
    A light wave travels through three transparent materials of equal thickness. Rank in order, from the highest to lowest, the indices of refraction $n_1, n_2$ and $n_3$.
    View Solution
  • 10
    In Melde’s experiment in the transverse mode, the frequency of the tuning fork and the frequency of the waves in the strings are in the ratio
    View Solution