Introduction to Spectrophotometry
10 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the unit of measuring wavelength in spectrophotometry?

  • Millimeter
  • Micrometer
  • Centimeter
  • Nanometer (correct)

    • What is the basic principle of spectrophotometry?

  • Measuring how much a chemical substance absorbs light (correct)
  • Determining the concentration of a chemical substance
  • Measuring the intensity of light after it passes through a sample solution
  • Analyzing the color change of a sample solution

    • What is the range of wavelength for a UV range spectrophotometer?

  • $100 - 300$ nm
  • $185 - 400$ nm (correct)
  • $600 - 900$ nm
  • $400 - 700$ nm

    • What does a monochromator do in a spectrophotometer?

    <p>Absorbs most of the light and allows only light of the complementary color with a sufficiently narrow wavelength</p> Signup and view all the answers

    What type of light source does most spectrophotometers contain?

    <p>Tungsten lamp emitting in the visible range only</p> Signup and view all the answers

    What is the function of a monochromator in a spectrophotometer?

    <p>It absorbs most of the light and allows only light of the complementary color with a sufficiently narrow wavelength.</p> Signup and view all the answers

    What is the range of wavelength for a visible range spectrophotometer?

    <p>400 - 700 nm</p> Signup and view all the answers

    What is the unit of measuring wavelength in spectrophotometry?

    <p>$1*10^{-9}$ m</p> Signup and view all the answers

    What type of light source does a UV range spectrophotometer use?

    <p>Ultraviolet light range</p> Signup and view all the answers

    What does spectrophotometry measure in a sample solution?

    <p>Intensity of light as the beam passes through the sample solution</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser