Electromagnetic Waves

This wave is used in long distance communication.

• Radiowaves

• Microwaves

• Infrared Radiation

• Visible Light

Tags

NGSS.HS-PS4-5

How is the energy associated with an electromagnetic wave related to the frequency of the wave?

• As the frequency increases, the energy of the wave increases

• As the frequency increases, the energy of the wave decreases

• The energy of an electromagnetic wave is not related to its frequency

Tags

NGSS.MS-PS4-1

The frequency  of the produced wave is inversely proportional to the period

• True

• False

Tags

NGSS.HS-PS4-1

Which statement below correctly describes the speed of light?

• The speed of light is slower than the speed of sound

• The speed of light is relatively slow compared to how objects travel in the universe

• The speed of light is fast, but not faster than a fighter jet

• Nothing in the universe can travel faster than the speed of light

What is wavelength measured in per second?

• Hertz

• lanta

• inches

• crest to crest

Tags

NGSS.HS-PS4-1

The full range of frequencies of electromagnetic radiation is called

• visible light

• the electromagnetic spectrum

• radio waves

• invisible radiation

Tags

NGSS.HS-PS4-4

The speed of the wave depends on the energy carried by the wave.

• True

• False

Tags

NGSS.HS-PS4-1

When using scientific notation, a negative exponent means ...

• the standard number is greater than one

• the standard number is less than one

• the negative sign doesn't have a meaning

• None of the above

Convert this number to standard notation: 7.1 x 10⁴

Convert this number into scientific notation: 0.068

• 6.9 x 10⁶

• 6.8 x 10^-9

• 6.8 x 10^-2

• None of the above