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When light from a source is sent through a gas I. Certain wavelengths are absorbed....

Physics
WAEC 1998

When light from a source is sent through a gas
I. Certain wavelengths are absorbed.
II. an emission line spectrum results.
III. A dark line is left.
Which of the following is/are correct?

  • A. i only
  • B. iii only
  • C. i and ii only
  • D. i and iii only
  • E. ii and iii only
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Correct Answer: Option D
Explanation

When light from a source is sent through a gas some light of certain wavelengths is absorbed resulting in gaps that appear as dark lines

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post UTME Past Questions Agent
Post UTME Past Questions Agent
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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