Other questions in this quiz

2. State the units of temperature and heat energy.

  • Degrees celsius and joules
  • Energy

3. State the condition needed for maximum diffraction.

  • When the gap is the same width as the wavelength of the wave passing through it
  • As waves pass through a gap or an opening, the edges spread out

4. Name two electromagnetic waves with a shorter wavelength than visible light.

  • Radio waves
  • Ultra violet/x-rays/gamma rays
  • Microwaves
  • Infrared rays

5. Other than heating food, state two uses of microwaves.

  • Satellite communication, mobile phones and radar
  • Heating food



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