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Lesson: The Electromagnetic Spectrum

Sample Question Videos

Worksheet • 10 Questions • 2 Videos

Q1:

What is the name of the type of electromagnetic radiation that has the longest wavelengths?

  • ARadio waves
  • BUltrasonic waves
  • CX-rays
  • DMicrowaves
  • EGamma rays

Q2:

The table shows a set of types of electromagnetic waves and the orders of magnitude of their wavelengths.

Radio Microwave Infrared Visible Ultraviolet X-Ray Gamma Ray
> 1 m 1 0 2 m 1 0 5 m 1 0 7 m 1 0 8 m 1 0 1 0 m < 1 0 1 5 m

Using the values from the table, how many wavelengths of ultraviolet radiation would have the same total length as one wavelength of infrared radiation? Answer in standard form.

  • A 1 0 3
  • B 1 0 3
  • C 1 0 6
  • D 1 0 5
  • E 1 0 5

Using the values from the table, how many wavelengths of the longest wavelength gamma radiation would have the same total length as one wavelength of X-ray radiation? Answer in standard form.

  • A 1 0 5
  • B 1 0 3
  • C 1 0 5
  • D 1 0 3
  • E 1 0 2

Q3:

Which of the following could be a source of X-ray radiation?

  • AHigh-speed electrons impacting on a metal plate
  • BNone of the answers is correct.
  • CDecaying atomic nuclei
  • DAlternating electric currents
  • EThermal motion of atoms and molecules

Q4:

Which of the following could be a source of infrared radiation?

  • AThermal motion of atoms and molecules
  • BNone of the answers is correct.
  • CDecaying atomic nuclei
  • DDirect electric currents
  • EAlternating electric currents

Q5:

Which of the following could be a source of radio waves?

  • AAlternating electric currents
  • BNone of the answers is correct.
  • CDecaying atomic nuclei
  • DHigh-speed electrons impacting on a metal plate
  • EDirect electric currents

Q6:

What is the name of the type of electromagnetic radiation that has the lowest frequencies?

  • ARadio waves
  • BUltrasonic waves
  • CMicrowaves
  • DGamma rays
  • EX-rays

Q7:

What is the name of the type of electromagnetic radiation that has the shortest wavelengths?

  • AGamma rays
  • BMicrowaves
  • CUltrasonic waves
  • D 𝑃 -waves
  • EX-rays

Q8:

What is the name of the type of electromagnetic radiation that has the highest frequencies?

  • AGamma rays
  • BLongitudinal waves
  • CS-waves
  • DX-rays
  • EUltrasonic waves

Q9:

Which of the following types of waves is a part of the electromagnetic spectrum?

  • AGamma rays
  • BS-waves
  • CUltrasonic waves
  • DLongitudinal waves

Q10:

Which of the following types of waves are not a part of the electromagnetic spectrum?

  • AP-waves
  • BInfrared waves
  • CMicrowaves
  • DGamma rays
  • EX-rays
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