Y9 mock part 2

Which of these electromagnetic waves are types of IONISING radiation that can cause cancer?

• Radio waves and microwaves

• X-rays and Gamma rays

• Infra red and visible light

• Microwaves and Infra red

Answer explanation

The electromagnetic waves to the far right of the spectrum carry enough energy to knock electrons off atoms

Velocity is a ________ quantity because it has magnitude (size) and direction (e.g. Sam travelled 30mph due West)

Distance is a _______ quantity as it has magnitude (size) only

All electromagnetic waves are __________ waves

• Transverse

• Longitudinal

Do electromagnetic waves travel at the same speed or different speeds through a vacuum (space)?

• Same

• Different

As you go from left to right through electromagnetic spectrum, the frequency increases and the wavelength ___________

As you go from left to right through electromagnetic spectrum, the energy the waves are carrying ____________

In the wave, what are a and b?

Which two of these are uses of Ultraviolet waves?

• Security markings

• Ovens

• Sunbeds

• TV remote controls

Which of these are uses of microwaves?

• Communication with satellites

• Gas Ovens

• Microwave Ovens

• Fibre optic cables