ELECTROMAGNETIC SPECTRUM

An electromagnetic wave is made up of which of the following oscillating quantities?

• Magnetic field only

• Electric and magnetic force

• Electric and magnetic field

• Electric field only

• Magnetic force only

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NGSS.HS-PS4-3

Which of the following part of the electromagnetic spectrum has the highest frequency?

• Infrared

• Ultraviolet

• Red in the visible light spectrum

• Violet in the visible light spectrum

Tags

NGSS.HS-PS4-1

Which of these EM waves has the greatest penetrating ability due to its very short wavelength?

• Ultraviolet

• X-ray

• Gamma ray

• Microwave

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NGSS.HS-PS4-1

NGSS.HS-PS4-4

If the energy of an EM wave is directly proportional to its frequency, which of the following has the highest energy?

• Radio

• Microwave

• Infrared

• Visible light

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NGSS.HS-PS4-1

Which of the following is the least penetrating wave

• gamma rays

• UV rays

• Infrared rays

• X rays

Tags

NGSS.HS-PS4-4

In order of increasing energy, which of the following is the correct sequence?

• Visible, radio, ultraviolet, x-ray

• Infrared, visible, ultraviolet, gamma

• Visible, gamma, ultraviolet, x-ray

• Infrared, x-ray, visible, gamma

Tags

NGSS.HS-PS4-4

For an electromagnetic wave traveling through a vacuum, what happens to its speed as the frequency increases?

• Speed increases

• Speed decreases

• It depends on the wavelength.

• Remains the same

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NGSS.HS-PS4-1

Which of the following sets of EM radiation can harm your body cells?

• Gamma ray, microwaves, infrared

• Light, ultraviolet, x-ray

• Microwaves, ultraviolet, infrared

• Ultraviolet, x-ray, gamma ray

Tags

NGSS.HS-PS4-4

The following are correct characteristics of EM waves EXCEPT for_________________.

• EM waves are composed of electric and magnetic fields.

• The electric and magnetic fields are both perpendicular to the direction of propagation.

• All EM waves have the same speed in vacuum.

• EM waves of different frequency and wavelength have different wave speed.

Tags

NGSS.HS-PS4-1

Which of the following is true about EM waves?

• Light is the only wave that humans can perceive.

• Radio waves are used in television broadcast.

• Gamma rays have the shortest wavelength.

• All of the above.

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NGSS.HS-PS4-1