Electromagnetic waves

What tyoe of waves are the electromagnetic ones?

• Longitudinal waves

• Transverse waves

• Sound waves

• Physical waves

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Electromagnetic waves are part of the electromagnetic ______________, a group of waves of similar properties.

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NGSS.HS-PS4-3

Electromagnetic waves need no material ____________ to travel through; they can travel through vacuum.

• energy

• magnetism

• sound

• medium

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NGSS.HS-PS4-3

A fundamental property of an electromagnetic wave is its _______________. When a wave moves from one medium to another, its frequency remains the same, but its _____________ varies.

• Frequency - Wavelength

• Frequency- Energy

• Wavelength - Frequency

• Energy - Wavelength

Tags

NGSS.HS-PS4-1

In a vacuum, electromagnetic waves travel at the speed of light, which is:

• 100,000,000 m/s

• 30,000,000 m/s

• 300,000,000 m/s

• 10000,000,000 m/s

Tags

NGSS.HS-PS4-1

Can electromagnetic waves be reflected and refracted?

• Yes

• No

Tags

NGSS.MS-PS4-2

The bending and spreading of waves around an obstacle is called:

• Diffraction

• Absorption

• Reflection

• Refraction

The wavelenght of _____________ waves are the longest of all electromagnetic waves. They may be as short as a foot long or as long as many miles.

___________ rays have the highest frequency and are the shortest wavelenghts in the spectrum.

• Ultraviolet

• Alpha

• Beta

• Gamma

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Which wave cannot travel through vacuum? ___________ waves.