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GCSE Physics*** > Electromagnetic Spectrum > Flashcards

Electromagnetic Spectrum Flashcards

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1
Q

What is the anagram to remember the order for the electromagnetic spectrum ?

A 
Reggae
Music
Is
Very
Useful 
     For
Kissing
Girls
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2
Q

What is the anagram to remember wavelength, frequency and energy and electromagnetic spectrum ?

A

At the top - the 3 L’s

Long, low and low

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3
Q

What do you all electromagnetic waves travel at ?

A

The speed of light

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4
Q

What is the anagram to remember colours of visible light

A 
Richard
Of
York
Gave
Battle
In
Vain
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5
Q

What are the uses for radio waves?

A
  • Broadcasting

* Communication

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6
Q

What are the uses for microwaves ?

A
  • cooking

* satellite

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7
Q

What damage can microwaves cause ?

A

Excessive exposure can cause internal heating of body tissue

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8
Q

What are the uses of infrared?

A
  • heaters

* night vision equipment

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9
Q

What damage can infrared cause ?

A

Excessive exposure can cause skin burns

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10
Q

What are the uses for visible light ?

A
  • optical fibres

* photography

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11
Q

What are the uses for ultraviolet ?

A
  • sterilise equipment

* fluorescent lamps

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12
Q

What damage can ultraviolet cause ?

A

They can cause sunburns and damage to surface cells and blindness

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13
Q

What are the uses for x-rays ?

A

• observing internal structure of objects

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14
Q

What are the uses of gamma rays ?

A
  • sterilising food

* sterilising medical equipment

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15
Q

What damage can gamma rays cause ?

A

Excessive exposure can cause cancer, and mutations

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16
Q

How can you protect yourself from microwaves ?

A

By metal screens

17
Q

Do you protect yourself from infrared?

A

By Using an insulator when touching hot objects

18
Q

How can you protect yourself from ultraviolet ?

A

Stay out of the Sun and wear hats and suncream

19
Q

How do you protect yourself from x-rays ?

A

Standing behind a lead screen

20
Q

How do you protect yourself from gamma rays ?

A

By using a lead shield

GCSE Physics*** (18 decks)

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