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Waves Test - 54

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Waves Test - 54
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Weekly Quiz Competition
  • Question 1
    4 / -1
    Two strings X and Y of a sitar produce a beat frequency 4 Hz. When the tension of the string Y is slightly increased the beat frequency is found to be 2 Hz. If the frequency of X is 300 Hz, then the original frequency of Y was
    Solution

  • Question 2
    4 / -1
    The wavelengths of two waves are 50 and 51 cm respectively. If the temperature of the room is 20°C, then what will be the number of beats produced per second by these waves, when the speed of sound at 0°C is 332 m/sec?
    Solution

  • Question 3
    4 / -1
    Two sound waves of slightly different frequencies propagating in the same direction produce beats due to
  • Question 4
    4 / -1
    It is possible to hear beats from the two vibrating sources of frequency
  • Question 5
    4 / -1
    The wavelength of a wave is 99 cm and that of other is 100 cm. Speed of sound is 396 m/s. The number of beats heard is
    Solution

  • Question 6
    4 / -1
    A tuning fork arrangement (pair) produces 4 beats/sec with one fork of frequency 288 cps. A little wax is placed on the unknown fork and it then produces 2 beats/sec. The frequency of the unknown fork is
    Solution

  • Question 7
    4 / -1
    When temperature increases, the frequency of a tuning fork
    Solution

  • Question 8
    4 / -1
    Two sources produce sound waves of equal amplitudes and travelling along the same direction producing 18 beats in 3 seconds. If one source has a frequency of 341 Hz, the frequency of the other source may be
    Solution

  • Question 9
    4 / -1
    The distance between the nearest node and antinode in a stationary wave is
    Solution

  • Question 10
    4 / -1
    In stationary wave
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