Other questions in this quiz

2. Ultra Violet can:

  • cause blindness
  • Cause cancer
  • Harm the eyes and skin
  • Internal tissue heating

3. A noise of a small amplitude sounds _____ than one with a large amplitude

  • higher
  • lower
  • quieter
  • louder

4. The atmosphere ____ radio waves that carry signals from local radio stations. This is why the signals cannot be received far away from the transmitter

  • escapes
  • reflects
  • absorbs
  • retracts

5. What is the blue shift?

  • its when sound stops
  • it happens when an object moves closer to you
  • its when the colour blue moves
  • it happens when an object moves away from you

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