Electromagnetic Waves

Which of the following is not true of all electromagnetic waves?

• They are transverse waves.

• They cannot travel in a vacuum.

• They are produced by accelerating charges.

• They have magnetic as well as electric components.

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NGSS.HS-PS4-3

Who is considered the Father of Electromagnetism?

• Albert Einstein

• Heinrich Hertz

• James Clerk Maxwell

• Wilhelm Roentgen

Which is the most energetic among the electromagnetic waves?

• gamma rays

• microwaves

• radio waves

• x-rays

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NGSS.HS-PS4-1

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In radio broadcasting, AM stands for ___________.

• after morning

• amplitude modeling

• amplitude modulation

• ante meridian

Tags

NGSS.MS-PS4-3

Which of the following ranges of frequency in radio waves is used by FM radios?

• low frequency

• medium frequency

• ultra-high frequency

• very high frequency

Tags

NGSS.HS-PS4-5

The letter S in the acronym laser stands for ___________.

• simulated

• simultaneous

• spontaneous

• stimulated

Tags

NGSS.HS-PS4-1

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Among the different colors of visible light, which has the longest wavelength?

• blue

• green

• orange

• red

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NGSS.HS-PS4-1

Which does not belong to the group?

• infrared wave

• microwaves

• sound waves

• x-rays

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Which of the following is an ionizing radiation?

• microwave

• radio wave

• visible light

• x-ray

Tags

NGSS.HS-PS1-8

Which government agency is in charge of the safe use of ionizing radiation?

• Philippine Nuclear Research Institute (PNRI)

• Department of Science and Technology (DOST)

• Philippine Institute of Volcanology and Seismology (PHIVOLCS)

• Philippine Atmospheric, Geophysical, and Astronomical Services Administration (PAGASA)

Tags

NGSS.HS-PS1-8