Other questions in this quiz

2. what is the minimum rate of sampling?

  • 4 X frequency
  • 1/2 frequency
  • 2 X frequency
  • frequency

3. Give one example of a transverse wave

  • pressure
  • hitting slinky along its length
  • ripples on water
  • sound

4. A spectrum has frequencies varying from 22Hz to 48Hz. what is the bandwidth?

  • 44Hz
  • 80Hz
  • 26Hz
  • -26Hz

5. how do you improve contrast?

  • multiplying
  • adding
  • median
  • laplace rule

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