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IP Y4 Physics > EM Spectrum > Flashcards

EM Spectrum Flashcards

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1
Q

Order of wavelengths (in ascending order)

A

Gamma, X-rays, Ultraviolet, Visible light, Infrared, microwaves, radio waves

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2
Q

Gamma

Wavelength + source

A

10^-14

Radioactive substances

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3
Q

X-rays

Wavelength + source

A

10^-10

X-ray tube

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4
Q

Ultraviolet

Wavelength + source

A

10^-8

Sun, mercury vapour lamps

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5
Q

Visible light

Wavelength + source

A

10^-7

Electric bulb

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6
Q

Infrared

Wavelength + source

A

10^-5

Hot objects

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7
Q

Microwaves

Wavelength + source

A

10^-2

Electrical transmitters

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8
Q

Radiowaves

Wavelength + source

A

10^1

Electrical transmitters

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9
Q

Uses of gamma

A

Kill cancerous cells, sterilise hospital equipment

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10
Q

Uses of X-rays

A

X-ray photography

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11
Q

Uses of Ultraviolet

A

Treat jaundice

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12
Q

Uses of visible light

A

LASER (Light Amplification by Stimulated Emission of Radiation)

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13
Q

Uses of infrared

A

Intruder alarms

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14
Q

Uses of microwaves

A

Microwaves

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15
Q

Uses of radio waves

A

Radio communication

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IP Y4 Physics (9 decks)

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