The Doppler Effect, 8th Sound and Light review

what is responsible for sound's loudness?

Amplitude

Doppler effect for light showing the shorter wavelength for light from an object moving towards the observer.

Blue shift

change in the apparent frequency of a wave as observer and source move toward or away from each other

Doppler Shift

If a wave source is moving towards you, what happens to the wave?

It gets 'bunched up' and the wavelength gets shorter and the frequency higher

The doppler effect with light, showing a longer wavelength for objects moving away from the observer.

Red Shift

Lower frequency

Source moving away from us (frequency)

Lower pitch

Source moving away from us (pitch)

Shifted towards the right, red end of the spectrum

Source moving away from us (red shift)

Longer wavelength

Source moving away from us (wavelength)

Higher frequency

Source moving towards us (frequency)

Higher pitch

Source moving towards us (pitch)

Shifted towards the left, blue end of the spectrum

Source moving towards us (red shift)

Shorter wavelength

Source moving towards us (wavelength)

The apparent change in frequency (pitch) that we notice when a source of sound is moving past us.

The Doppler Effect

If a wave source is moving away from you, what happens to the wave?

The wave gets spread out, the wavelength gets longer and the frequency gets lower

When an object moves towards a sound the sound waves increase in _______

frequency

Which travels faster, light or sound?

light

We see a banana as yellow because the color yellow is __________

reflected

The wave phenomena when that occurs when light hits aluminum and bounces off?

reflections

The bending of light as it passes from one medium to another________

refraction

All sounds begins with ___________

vibrations

Color seen when all visible light colors are reflected?

white