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Lesson: The Electromagnetic Spectrum

Worksheet • 12 Questions

Q1:

Which of the following is a reasonable frequency for a photon of red light?

  • A 4 . 6 7 × 1 0 1 4 Hz
  • B 3 . 4 3 × 1 0 1 4 Hz
  • C 5 . 4 5 × 1 0 1 4 Hz
  • D 9 . 8 9 × 1 0 1 4 Hz
  • E 6 . 6 5 × 1 0 1 4 Hz

Q2:

Which of the following is the energy of a photon of orange light?

  • A 2.05 eV
  • B 2.50 eV
  • C 1.87 eV
  • D 1.25 eV
  • E 3.08 eV

Q3:

Which of the following is a reasonable energy of a photon of green light?

  • A 3 . 6 6 × 1 0 1 9 J
  • B 2 . 3 3 × 1 0 1 9 J
  • C 3 . 3 1 × 1 0 1 9 J
  • D 4 . 4 1 × 1 0 1 9 J
  • E 2 . 7 5 × 1 0 1 9 J

Q4:

Which of the following is a possible frequency of a photon of green light?

  • A 5 . 6 6 × 1 0 1 4 Hz
  • B 4 . 3 4 × 1 0 1 4 Hz
  • C 5 . 1 7 × 1 0 1 4 Hz
  • D 6 . 9 4 × 1 0 1 4 Hz
  • E 4 . 7 6 × 1 0 1 4 Hz

Q5:

Which of the following is a reasonable energy of a mole of photons of blue light?

  • A 253 kJ
  • B 312 kJ
  • C 290 kJ
  • D 281 kJ
  • E 340 kJ

Q6:

A mole of photons of equal energy have a total energy of 199.4 kJ. What color does this light appear?

  • AOrange
  • BViolet
  • CBlue
  • DGreen
  • EYellow

Q7:

A ray of light has a frequency of 720 THz. What colour does this light appear?

  • AViolet
  • BOrange
  • CBlue
  • DYellow
  • EGreen

Q8:

Each photon in a ray of light each has an energy of 2.62 eV. What color does this light appear?

  • ABlue
  • BYellow
  • CViolet
  • DOrange
  • EGreen

Q9:

Which of the following quantities corresponds to a photon of red light?

  • A 2 . 9 4 × 1 0 J
  • B 2.15 eV
  • C 206 kJ/mol
  • D 495 nm
  • E 719 THz

Q10:

Which of the following quantities corresponds to a photon of yellow light?

  • A 513 THz
  • B 610 nm
  • C 1.95 eV
  • D 2 . 8 4 × 1 0 1 9 J
  • E 240 kJ/mol

Q11:

Which of the following lists the electromagnetic radiation in correct order by increasing wavelengths?

  • AGamma rays, ultraviolet radiation, microwaves, radio waves
  • BX-rays, microwave, infrared radiation, radio waves
  • CRadio waves, gamma rays, infrared radiation, microwaves
  • DMicrowaves, visible radiation, gamma rays, X-rays

Q12:

If a complex has a maximum absorption at 423 nm, what colour would the complex appear to the human eye?

  • AYellow
  • BRed
  • CViolet
  • DGreen
  • EBlue
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