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Worksheet: The Electromagnetic Spectrum

Q1:

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

  • AGamma rays
  • BX-rays
  • CMicrowaves
  • DRadio waves
  • EUltrasonic waves

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

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 2
  • D 1 0 5
  • E 1 0 3

Q3:

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

  • AUltrasonic waves
  • BS-waves
  • CX-rays
  • DGamma rays
  • ELongitudinal waves

Q4:

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

  • AX-rays
  • BUltrasonic waves
  • C 𝑃 -waves
  • DGamma rays
  • EMicrowaves

Q5:

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

  • AThermal motion of atoms and molecules
  • BDecaying atomic nuclei
  • CAlternating electric currents
  • DHigh-speed electrons impacting on a metal plate
  • ENone of the answers is correct.

Q6:

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

  • AAlternating electric currents
  • BDecaying atomic nuclei
  • CDirect electric currents
  • DThermal motion of atoms and molecules
  • ENone of the answers is correct.

Q7:

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

  • ALongitudinal waves
  • BS-waves
  • CUltrasonic waves
  • DGamma rays

Q8:

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

  • AX-rays
  • BMicrowaves
  • CGamma rays
  • DRadio waves
  • EUltrasonic waves

Q9:

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

  • AX-rays
  • BMicrowaves
  • CGamma rays
  • DP-waves
  • EInfrared waves

Q10:

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

  • ADirect electric currents
  • BDecaying atomic nuclei
  • CHigh-speed electrons impacting on a metal plate
  • DAlternating electric currents
  • ENone of the answers is correct.