Other questions in this quiz

2. how do you improve contrast?

  • multiplying
  • adding
  • median
  • laplace rule

3. Give one example of a transverse wave

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

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

  • 44Hz
  • 26Hz
  • -26Hz
  • 80Hz

5. A boat takes 6 seconds to rise and fall. The difference in height between the boat at its lowest and highest point is 1.2m and wave pass it at 3ms-1. how long are the waves?

  • 7.2
  • 18
  • 3.6
  • 2

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