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Particle Physics AS AQA > Wave Physics > Flashcards

Wave Physics Flashcards

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1
Q

Progressive wave

A

Wave that travels through a substance or space , transferring energy

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2
Q

Transverse wave

A

Vibration at right angles to the direction that energy travels in

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3
Q

Longitudinal wave

A

Partical vibrate parallel to the direction that energy travels in

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4
Q

Amplitude

A

the maximum displacement from the undisturbed possion

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5
Q

Wavelength

A

Distance between two equivalent points in successive cycle

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6
Q

Frequency

A

Number of cycles per second (Hz)

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7
Q

Polarisation

A

When different plane of oscillation pass through a polariser , only one plane oscillating is left

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8
Q

All reflected waves

A

Are plane polarised

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9
Q

Progressive longitudinal wave can

A

Super pose to form a stationary wave
Be diffracted
Show interference effects

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10
Q

Stationary wave

A

A wave form by the superposition of two progressive waves of the same frequency and frequency in opposite direction

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11
Q

Photoelectron

A

An electron released from a material by light of an incident photon

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12
Q

Threshold frequency

A

The minimum frequency of an EM wave needed to cause the photoelectric effect p

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13
Q

Coherence

A

Waves which are having the same frequency , wavelength and a constant phase relationship

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14
Q

Node

A

Position on a standing. Wave which exhibit no vibration

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15
Q

Phase different

A

Degree

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16
Q

Antiiode

A

Position on a standing wave which exhibit maximum displacement

17
Q

Path different

A

Wavelength

18
Q

Progressive wave

A

Wave travels through a substance and transfer energy

19
Q

Interference

A

A special cause of superposition where two wave are coherent . The waves combine to form a pattern of alternating maxima and minma

20
Q

Superposition

A

Two wave combining to form a single wave

Particle Physics AS AQA (3 decks)

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