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A) In a transverse wave, the particles of the medium oscillate perpendicular to the direction of wave propagation. In a longitudinal wave, the particles of the medium oscillate parallel to the d

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a) In a transverse wave, the particles of the medium oscillate perpendicular to the direction of wave propagation. In a longitudinal wave, the particles of the medium oscillate parallel to the direction of wave propagation.

Part b(i)· 3 steps

Frequency

  1. Identify the given rate of crests passing a fixed point.

    The rate is 30 crests per minute.

  2. Convert the time to seconds.

    1 minute=60 seconds1 \text{ minute} = 60 \text{ seconds}

  3. Calculate the frequency using the formula f=Number of crestsTimef = \frac{\text{Number of crests}}{\text{Time}}.

    f=30 crests60 sf = \frac{30 \text{ crests}}{60 \text{ s}} f=0.5 Hzf = 0.5 \text{ Hz}

    The frequency is 0.5 Hz\boxed{\text{0.5 Hz}}.

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