EM WAVES

Gamma rays travel faster than visible light.

• True

• False

All electromagnetic waves travel at the same speed in a vacuum.

• True

• False

The speed of light in a vacuum is…

• 31 ms¹

• 300 ms¹

• 300,000,000 ms¹

• infinite

White light is a mixture of colours that can be split into the visible spectrum by a …

• rainbow

• prison

• migraine

• prism

Which of the following has the highest frequency?

• ultraviolet

• microwaves

• x-rays

• radiowaves

Which of the following has the highest frequency?

• visible light

• microwaves

• infrared

• radio waves

Which of the following has the longest wavelength?

• gamma rays

• visible light

• ultraviolet

• radio waves

Which of the following has the shortest wavelength?

• gamma rays

• visible light

• ultraviolet

• radiowaves

Which of the following has the lowest frequency?

• ultraviolet

• microwaves

• radiowaves

• x-rays

These waves have the longest wavelength and are used to carry signals for radar, TV and radio

• radio waves

• ultraviolet

• microwaves

• infrared