Class quiz

What is a wave ?

• A wave is a disturbance that propagates through a medium.

• A wave is a material that elongates itself when in contact with a medium.

• A wave is a group of particles that vibrate when it goes through a medium;

• A wave is a part of matter that attaches itself to a medium when it comes in contact with it.

What is the electromagnetic spectrum ?

• The electromagnetic spectrum is a classification that presents all electromagnetic waves according to their frequency.

• The electromagnetic spectrum is a classification that presents all electromagnetic waves according to their wavelength and frequency.

• The electromagnetic spectrum is a classification of colors.

• The electromagnetic spectrum is a classification that presents all electromagnetic waves according to their wavelength.

What is the order of the electromagnetic spectrum ?

• Microwaves

  Infrared

  Ultraviolet

  Visible light

  X-rays

  Radio waves

  Gamma rays

• Radio waves

  Microwaves

  Infrared

  Visible light

  X-rays

  Ultraviolet

  Gamma rays

• Radio waves

  Microwaves

  Infrared

  Visible light

  Ultraviolet

  X-rays

  Gamma rays

• Gamma rays

  Radio waves

  Infrared

  Visible light

  Ultraviolet

  X-rays

  Gamma rays

What is the lowest frequency of the electromagnetic spectrum ?

What is the highest wavelength of the electromagnetic spectrum ?

• Gamma rays

• Radio waves

• Radio waves

  and

  Gamma rays

• Infrareds

What is the speed of light in a vaccum ?

• 300,000,0 km/s

• 300,00 km/s

• 300,000 m/s

• 300,000 km/s

What are the frequencies (colors) of visible light from highest to lowest ?

• red, orange, yellow, green, blue, indigo, violet

• indigo, violet, vert, jaune, orange, rouge,noir

• violet, blue indigo, green, yellow, orange, red

• violet, indigo, blue, green, yellow, orange, red

How is sound produced ?

• Sound is produced by the mechanical movement of space.

• Sound is produced by the vibration of an object.

• Sound is produced by the movement of particles in space.

• Sound is produced by the propagation of light in a vaccum.

Which wave the sound is from ?

• Electromagnetic

• Mechanical

• Radio

• MIcrowaves

What does sound need to propagate ?

• Sound needs a mechanical medium to be able to propagate.

• Sound needs light waves to be able to propagate.

• Sound needs particle matter to be able to propagate.

• Sound needs a material medium to be able to propagate.

In which environment the sound propagates best ?

• Solid

• Liquid

• Gas

• Solid and Gas