EM Spectrum Flashcards

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1
Q

What is the definition of the electromagnetic spectrum

A

1.A list of electromagnetic radiations
2.a list of all the types of light

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2
Q

What speed to all of the members of the electromagnetic spectrum travel at

A

3x10(8) (speed of light)

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3
Q

What is the difference between each of the radiations

A

They vary in wavelength and frequency

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4
Q

As the frequency of the wave increases, the wavelength…

A

Decreases

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5
Q

What is the radiation with the highest energy

A

Gamma

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6
Q

Why does gamma have the highest energy

A

Because it has the largest frequency. The larger the frequency of the light, the more energetic it is

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7
Q

What order does the electromagnetic spectrum go (in order of increasing frequency)

A

Radio and TV, microwaves, infrared, visible light, ultraviolet, x-rays, gamma

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8
Q

What is the order of the electromagnetic spectrum in order of increasing wavelength

A

Gamma, x-rays, ultraviolet, visible light, infrared, microwaves, radio and TV

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9
Q

What is a use of radio and TV waves

A

Communications and television

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10
Q

What is the detector of radio and TV waves

A

Aerial

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11
Q

What are the uses for microwaves

A

Communications and heating food

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12
Q

What is the detector for microwave

A

Aerial

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13
Q

What are the uses of infrared

A

Heat cameras, treating muscle injuries

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14
Q

What are the detectors for infrared

A

Photodiode, black in thermometer or photographic films

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15
Q

What is the use for visible light

A

Lasers

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16
Q

What are the detectors for visible light

A

Photodiode and cells on the retina

17
Q

What are the uses for ultraviolet

A

Security, treating skin conditions, forensics investigation, sterilising things

18
Q

What are the detectors for ultraviolet

A

Photographic films, fluorescent material

19
Q

What are the uses for x-rays

A

Detecting broken bones, airport security

20
Q

What is the detector for x-rays

A

Photographic films

21
Q

What are the uses for gamma rays

A

Radiotherapy, sterilising equipment

22
Q

What are the detectors for gamma rays

A

Geiger-Müller Tube (Gm tubes)