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Waves Test - 88
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Waves Test - 88

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  • Question 1/10
    4 / -1
    In a resonance tube the first resonance with a tuning fork occurs at 16 cm and second at 49 cm. If the velocity of sound is 330 m/s, the frequency of tuning fork is
    Solutions

  • Question 2/10
    4 / -1
    Two closed organ pipes of length 100 cm and 101 cm produce 16 beats in 20 sec. When each pipe is sounded in its fundamental mode calculate the velocity of sound
    Solutions

  • Question 3/10
    4 / -1
    An organ pipe open at one end is vibrating in first overtone and is in resonance with another pipe open at both ends and vibrating in third harmonic. The ratio of length of two pipes is
    Solutions

  • Question 4/10
    4 / -1
    Two closed organ pipes A and B, have the same length. A is wider than B. They resonate in the fundamental mode at frequencies n A and n B respectively, then
    Solutions

  • Question 5/10
    4 / -1
    If in a resonance tube a oil of density higher than that of water is used then the resonance frequency would be
  • Question 6/10
    4 / -1
    The frequency of the fundamental note in an organ pipe is 240 Hz. On blowing air, frequencies 720 Hz and 1200 Hz are heard. This indicates that organ pipe is
    Solutions

  • Question 7/10
    4 / -1
    While measuring the speed of sound by performing a resonance column experiment, a student gets the first resonance condition at a column length of 18 cm during winter. Repeating the same experiment during summer, she measures the column length to be x cm for the second resonance. Then
    Solutions

  • Question 8/10
    4 / -1
    A glass tube of length 1.0 m is completely filled with water. A vibrating tuning fork of frequency 500 Hz is kept over the mouth of the tube and the water is drained out slowly at the bottom of the tube. If velocity of sound in air is 330 ms–1, then the total number of resonances that occur will be
    Solutions

  • Question 9/10
    4 / -1
    An organ pipe P closed at one end vibrates in its first harmonic. Another organ pipe Q open at both ends vibrates in its third harmonic. When both are in resonance with a tuning fork, the ratio of the length of P to that of Q is
    Solutions

  • Question 10/10
    4 / -1
    Air is blown at the mouth of an open tube of length 25 cm and diameter 2 cm. If the velocity of sound in air is 330 ms–1, then emitted frequencies are (in Hz)
    Solutions

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