EM WAVES Flashcards

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1
Q

An electromagnetic wave is produced by __________________

A

accelerating charged particles

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2
Q

The interplay of changing electric and magnetic fields leads to the production of _________

A

electromagnetic waves

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3
Q

the electric field and the magnetic field vibrating __________ to each other and to the direction of wave propagation

A

perpendicularly

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4
Q

What kind of waves are electromagnetic waves?

A

transverse waves

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5
Q

Who predicted the existence of electromagnetic waves?

A

In 1862, Scottish physicist James Clerk Maxwell

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6
Q

But it was only in 1887, through the efforts of ___________, that those waves (other than light) were observed to exist.

A

German physicist Heinrich Hertz

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7
Q

In a vacuum, all electromagnetic waves travel at the __________

A

speed of light

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8
Q

The speed of light is equivalent to ?

A

3 × 10⁸ m/s

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9
Q

He was considered the Father of Electromagnetic Theory for having formulated laws on electricity and magnetism.

A

James Clerk Maxwell

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10
Q

The electromagnetic ___________ is the continuous range of electromagnetic waves arranged in order of frequency and wavelength

A

(EM) spectrum

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11
Q

It is the longest of all electromagnetic waves

A

Radio waves

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12
Q

an acronym for radio detection and ranging

A

Radar

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