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English > Physics > Flashcards

Physics Flashcards

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Proverbs and Idioms flashcards
1
Q

Specific Latent Heat

A

Energy per kg needed to change state at constant temperature

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2
Q

Define specific heat capacity

A

Energy required to raise temperature of 1kg of a substance by 1 degree Celsius

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3
Q

Radio waves

A

Communication
Tv
Radio
No dangers

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4
Q

Microwaves

A 
Heating food (vibrate water particles)
Wifi
Mobile phones
Danger: Internal cell heating
Satellite comms because they penetrate atmosphere
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5
Q

Infrared

A 
Heating
Comms:
-Remote control
Needs ‘line of sight’
Dangers: Surface heating/skin burns
Optical fibres
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6
Q

Visible

A

Optical fibres

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7
Q

Ultraviolet

A

Security markings
Bank notes
Setting dental fillings
Dangers: Skin cancer, cataracts

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8
Q

X rays

A

Absorbed by bone but not skin

Dangers: cancer and change DNA

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9
Q

Gamma rays

A

Kill cells

Radiotherapy

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English (4 decks)

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