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Waves Test - 85
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Waves Test - 85

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  • Question 1/10
    4 / -1
    If the velocity of sound in air is 350 m/s. Then the fundamental frequency of an open organ pipe of length 50 cm, will be
    Solutions

  • Question 2/10
    4 / -1
    If the length of a closed organ pipe is lm and velocity of sound is 330 m/s, then the frequency for the second note is
    Solutions

  • Question 3/10
    4 / -1
    The fundamental note produced by a closed organ pipe is of frequencyf. The fundamental note produced by an open organ pipe of same length will be of frequency
    Solutions

  • Question 4/10
    4 / -1
    If the velocity of sound in air is 336 m/s. The maximum length of a closed pipe that would produce a just audible sound will be
    Solutions

  • Question 5/10
    4 / -1
    An organ pipe P1 closed at one end vibrating in its first overtone and another pipe P2 open at both ends vibrating in its third overtone are in resonance with a given tuning fork. The ratio of lengths of P1 and P2 is
    Solutions

  • Question 6/10
    4 / -1
    A resonance air column of length 20 cm resonates with a tuning fork of frequency 250 Hz. The speed of sound in air is
    Solutions

  • Question 7/10
    4 / -1
    A cylindrical tube, open at both ends, has a fundamental frequency fo in air. The tube is dipped vertically into water such that half of its length is inside water. The fundamental frequency of the air column now is
    Solutions

  • Question 8/10
    4 / -1
    If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s, then the frequency for the second note is
    Solutions

  • Question 9/10
    4 / -1
    A pipe 30 cm long is open at both ends. Which harmonic mode of the pipe is resonantly excited by a 1.1 kHz source? (Take speed of sound in air = 330 ms–1)
    Solutions

  • Question 10/10
    4 / -1
    Two closed organ pipes, when sounded simultaneously gave 4 beats per sec. If longer pipe has a length of 1m. Then length of shorter pipe will be, (v = 300 m/s)
    Solutions

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