Microwaves

• What is the wavelength range of microwaves?

  0.001m to 1m
• What is the frequency range of microwaves?

  3 x 10¹² to 3 x 10⁹ Hz
• How do microwaves compare to radio waves in terms of wavelength?

  Microwaves have shorter wavelengths than radio waves
• What are two uses of microwaves in communication?

  Satellite TV and mobile phone signals
• Why do microwave ovens heat food faster?

  They penetrate food and are absorbed by water molecules
• How do microwaves affect the human body?

  They can penetrate and heat internal parts of the body