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Physics GCSE (AQA) > Waves > Flashcards

Waves Flashcards

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1
Q

Sound

Description (3)

A
  • Caused by a vibration
  • Longitudinal waves
  • Mechanical waves (need a medium to pass through)
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2
Q

Focus

Definition

A

The point of origin of an earthquake

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3
Q

Epicenter

Definition

A

The point on the surface of the Earth directly above the focus

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4
Q

Primary Waves

List

A
  • Longitudinal
  • Faster
  • Can travel through both solid and liquid
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5
Q

Secondary wave

List

A
  • Transverse
  • Slower
  • Can only travel through liquid
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6
Q

Reflect

Definition

A

To let something bounce off of a surface

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7
Q

Absorb

Definition

A

When something is taken into something

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8
Q

Transmit

Definition

A

When something passes throiugh something

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9
Q

Electromagnetic Spectrum

List

A
  • All transverse
  • Consist opf oscilating electric and magnetic fields
  • Can travel through a vacuum
  • Can travel at the same speed in a vacuum (3 x 10 to the power of 8 m/s)
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10
Q

Radio Waves

Wavelength range, Uses, Danger

A
  1. 1m to 100,000m
  2. Telecommunication
  3. None
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11
Q

Microwaves

Wavelength range, Uses, Dangers

A
  1. 0.001m to 1m
  2. Telecommunication, cooking
  3. Cancer
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12
Q

Infra-red radiation

Wavelength range, Uses, Dangers

A
  1. 740nm to 0.01m
  2. TV remotes, cooking
  3. Can burn
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13
Q

Visible light

Wavelength range, Uses, Dangers

A
  1. 370nm to 740nm
  2. Seeing
  3. Eye damage
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14
Q

Ultraviolet light

Wavelength range, Uses, Dangers

A
  1. 3x10 to 17 - 8x10 to 14
  2. Counterfeit scanning
  3. Skin cancer
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15
Q

X-ray

Wavelength range, Uses, Dangers

A
  1. 10 to -12 - 10 to -7
  2. Medical imagery, Scanning
  3. Cancer
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16
Q

Gamma ray

Wavelength range, Uses, Dangers

A
  1. 10 to -16 - 10 to -9
  2. Cancer treatments, observing universe
  3. Cancer
17
Q

Wavelength

Equation

A

Speed/ Frequency

Physics GCSE (AQA) (7 decks)

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