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radpro mod5 > 5 > Flashcards

5 Flashcards

1
Q

small bundle of energy

A

quantum

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2
Q

smallest quantity of any type of electromagnetic energy

A

photon

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3
Q

today, photon are known as?

A

electromagnetic energy

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4
Q

uninterrupted ordered sequence

A

energy continuum

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5
Q

only small segment of electromagnetic energy that is naturally apparent to us

A

visible light segment

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6
Q

he showed that visible light has both electric and magnetic properties (electromagnetic)

A

james clerk maxwell

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7
Q

4 properties of electromagnetic energy

A

velocity

amplitude

wavelength

frequency

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8
Q

speed of light

A

3 × 10 8 m/s or

186,000 miles/s or

299 792 458 m/s

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8
Q

property of electromagnetic energy that pertains to the speed of the wave

A

velocity (c)

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9
Q

property of electromagnetic energy that pertains to the height of the wave

A

amplitude (A)

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9
Q

property of electromagnetic energy that pertains to the number of wavelengths that pass a point of observation per second

A

frequency (f)

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10
Q

property of electromagnetic energy that pertains to the distance from one crest to another

A

wavelength (λ)

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11
Q

physicists use this term to describe the interactions among different energies, masses, forces

A

field

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12
Q

interaction of different masses

A

gravitational field

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12
Q

interaction of electrostatic charges

A

electric field

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13
Q

interaction of magnetic poles

A

magnetic field

14
Q

what model of electromagnetic energy describes variations in the electric and magnetic fields as the photon travels with velocity?

A

sine wave model

14
Q

rate of rise and fall

A

frequency

14
Q

unit of measurement of frequency

A

hertz (Hz)

1 Hz = 1 cycle per second

15
Q

3 wave parameters that are needed to describe electromagnetic energy

A

velocity, frequency, wavelength

16
Q

wave equation

A

v = fλ

radpro mod5 (7 decks)

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