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Consumer Electronics by S. P. Bali

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Multiple Choice Questions

  1. Which of the following is transmitted by a wave?
    1. amplitude
    2. velocity
    3. energy
    4. momentum
  2. It is possible to distinguish between transverse and longitudinal waves by studying the property of
    1. interference
    2. diffraction
    3. reflection
    4. polarisation
  3. The relation between frequency n, wavelength λ, and velocity of propagation v of the wave is
    1. v = nλ
    2. λ = nv
    3. images
    4. images
  4. The wavelength of sound is 10 cm. Its frequency is
    1. 3.3 kHz
    2. 3.3 MHz
    3. 330 Hz
    4. 33 Hz
  5. Sound waves having the following frequencies are audible to human beings.
    1. 5 Hz
    2. 27,000 Hz

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