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Applied Science (Unit 1) > Physics P1 > Flashcards

Physics P1 Flashcards

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1
Q

What are oscillations?

A

A regularly repeating motion about a central value

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2
Q

What is a period?

A

The time taken for one whole cycle of an oscillation before the motion start to repeat itself

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3
Q

What is displacement?

A

How far oscillation have moved from its mean value at any given time

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4
Q

What is amplitude?

A

A measure of its change in a single period

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5
Q

What are wavelengths?

A

The distance along the wave in its direction of travel between consecutive points where the oscillations are in phase

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6
Q

What is wave motion?

A

Waves transfer energy from one place to another, without causing any net movement of materials

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7
Q

What is wave speed?

A

The speed at which a wave travels
v=f⅄
speed = wavelength / time

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8
Q

What is phase difference?

A

Difference between two waves at the same point

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9
Q

What are the types of waves motion?

A

Transverse and longitudinal

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10
Q

What is a transverse wave?

A

A transverse wave is a wave whose oscillations are perpendicular to the direction of the wave’s advance

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11
Q

What is a longitudinal wave?

A

A longitudinal wave is a wave whose oscillations are parallel to the direction of the wave’s advance

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12
Q

Types of transverse waves

A
  • Water Wave
  • EM wave
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13
Q

Types of longitudinal waves

A
  • Sound Wave
  • Ultrasound wave
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14
Q

What is rarefaction?

A

Rarefactions are regions of low pressure due to particles being far together

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15
Q

What is compression?

A

Compressions are regions of high pressure due to particles being close together

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16
Q

What is diffraction?

A

Which a beam of light is spread out as a result of passing through a narrow aperture

17
Q

What is a diffraction grating?

A

A flat plane object

18
Q

What is transmission?

A

Wave energy passing though an object and diffraction happens

19
Q

What is reflection?

A

Wave energy bouncing of a surface and its direction travel has been altered more than 180 degrees

20
Q

What is a interference pattern?

A

A stationary pattern that can result from a super position of waves traveling, providing they are coherent

21
Q

What is coherent?

A

Sticking together

22
Q

What is superposition?

A

The adding of together of wave displacements that occurs when waves from multiple sources overlap

23
Q

What is a path difference?

A

The difference in length between two rays

24
Q

What is a quantum?

A

The smallest unit that can exist independently

25
Q

What is a photon?

A

A quantum of electromagnetic radiation

26
Q

What is a quantum?

A

The smallest unit that can exist independently

27
Q

What is the emission spectra?

A

The spectrum of frequencies of electromagnetic radiation

28
Q

What is the emission spectra?

A

The spectrum of frequencies of electromagnetic radiation

29
Q

What is quantum theory?

A

The nature and behavior of sub-atomic particles on the atomic level

30
Q

What is an energy level?

A

Values that an electron in an atom can have or occupy

31
Q

What is the ground state?

A

The lowest possible energy state possible for a bound particle

32
Q

What is a stationary wave?

A

A wave that is in phase, having the same amplitude and frequency

33
Q

What is a node?

A

A point where the amplitude is at a minimum

34
Q

What is a antinode?

A

Applied Science (Unit 1) (6 decks)

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