The Electromagnetic Spectrum (Full)

The waves of the electromagnetic spectrum are all:

• Sound waves

• Transverse waves

• Ultrasound

• Longitudinal waves

Which two of these are common properties for the seven forms of radiation in the Electromagnetic Spectrum?

• They have the same speed in vacuum of 300 000 000 m/s

• They need a medium to travel

• They are all longitudinal waves

• They can all travel in vacuum

Which of the types of radiation in the electromagnetic spectrum has the shortest wavelength?

• X-Rays

• Ultraviolet

• Gamma Rays

• Radio Waves

Infrared rays can be used:

• for mobile phones communications

• in radiotherapy to cure certain forms of cancer

• in remote controls

• to detect fractured bones

Which electromagnetic wave may be used to detect fake bank notes?

• X-Rays

• Gamma rays

• Ultraviolet

• Visible Light

93.7MHz is equal to:

• 937 Hz

• 93 700 000 Hz

• 93 700 Hz

• 0.937 Hx

Which 2 of these are NOT part of the electromagnet spectrum

• X-Rays

• Visible light

• Sound Waves

• Ultrasound

Which electromagnetic wave is used in an optical fibre cable:

• Gamma rays

• X-Rays

• Visible Light

• Ultraviolet

This is one part of the electromagnetic spectrum which our eyes are sensitive to:

• Radiowaves

• Microwaves

• Visible light

• Ultraviolet

Over exposure of infrared rays causes:

• Tanning

• Sunburn

• Hypothermia

• Damage to our eyes