Particles and Waves Flashcards

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1
Q

Diffraction

A

Occurs when waves encounter a barrier, and bend around it

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2
Q

Amount of diffraction depends on

A

Wavelength of the waves
As wavelength increases so too does diffraction

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3
Q

Middle line in an interference pattern

A

Central maximum

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4
Q

interference waves must be

A

Coherent

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5
Q

Interference

A

Is the property which defines wave motion

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6
Q

Constructive interference

A

Where peaks overlaps with peaks and troughs overlap with troughs
IN PHASE

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7
Q

Destructive interference

A

When peaks overlap with troughs
OUT OF PHASE

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8
Q

Coherent

A

Same speed, frequency and wavelength
Constant phase relationship

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9
Q

Path length

A

Shortest distance between the source and maximum/minimum
Certain number of whole or half wavelengths

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10
Q

Path difference

A

Mathematical difference between the path lengths

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11
Q

White light and prism

A

Refraction occurs with a single spectrum of light
ROYHBIV long wavelength refract less than short

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12
Q
A
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