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English 45 Public

AQA GCSE Physics P6 Waves topic.

Study Slideshow

When a wave crosses a boundary and changes speed, it can change direction. What is this process called?

Refraction

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When a wave reflects from a surface, what is the link between the angle of incidence and the angle of reflection?

Both angles are the same

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What type of waves do bats use to navigate in the dark?

Ultrasound, Longitudinal

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What type of waves are used to see the bones inside a patient?

X-ray, Transverse

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What type of waves are used to communicate with satellites?

Microwaves, Transverse

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What type of waves are used to create thermal images?

Infra red, Transverse

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A prism can be used to split white light into the colours that make it up. What is this process called??

Refraction or dispersion

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What type of wave is a "Mexican wave"?

Transverse, the supporters oscillate at 90o to the wave propagation

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What process causes a mirage (illusion of water on the road)?

Refraction

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What is is called when sunlight refracts through water droplets and is dispersed into a spectrum?

A rainbow

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Which part of the electromagnetic spectrum is used for Wifi?

Microwaves

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If the angle of incidence of light hitting a mirror is 43o, what will be the angle of reflection?

43o

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When measuring the angle of incidence of light crossing a boundary, what imaginary line must you draw on your diagram?

The "normal" line (a line at 90o to the boundary where the light crosses the boundary)

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When light cross a boundary from air to glass (fast to slower speed), will it bend towards or away from the normal line?

Towards (the angle of refraction is smaller than the angle of incidence)

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Which type of wave can travel through a vacuum?

Transverse

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Can sound travel through space (a vacuum)?

No

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