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Nat 5 - Physics Waves > waves > Flashcards

waves Flashcards

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1
Q

what are longitudinal waves

A

the direction of the vibrating particle move in the same way are the direction of the wave moving in

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2
Q

what are transverse waves

A

the direction of the particle vibrating is at a right angle to the direction of the wave moving

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3
Q

what is the meaning of frequency

A

number of waves per seconds

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4
Q

how do you solve frequency

A

f=N/t

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5
Q

how to find T

A

T=1/f

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6
Q

how to find speed

A

v=d/t

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7
Q

how to find speed of waves

A

v=fλ

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8
Q

what does waves transfer

A

energy

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9
Q

what waves does sound has

A

longitudinal

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10
Q

what waves does water and EM has

A

transverse

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11
Q

what does diffraction mean

A

when a wave can bend or pass through a gap or around a object.

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12
Q

what happens to high frequency waves when passing through a object

A

it not able to diffract a lot

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13
Q

what happens to low frequency waves when passing through a object

A

it will diffract a lot

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14
Q

what does refraction mean

A

when the direction of the wave or light change when it passes through on martial to another

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15
Q

what happens when a waves passes through a small gap

A

it diffracts more (spreads out more)

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16
Q

what happens when a wave passes through a big gap

A

it does not diffract and goes the sames way as it entered the gap

17
Q

what does amplitude mean

A

the distance from thee centre to the the top (crest)

18
Q

what does wave length mean

A

distance from one to the next wave at the same point

19
Q

what are the main five waves characteris

A 
wavelength
amplitude
frequency
period
speed
20
Q

what is the name given to the top of the wave

A

crest

21
Q

what is the name given to the bottom of the wave

A

trough

22
Q

what are the two main formulas to find frequency

A

f=N/t

f=1/T

Nat 5 - Physics Waves (10 decks)

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