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Question 75

If a sound wave goes from a cold region to a hot air region, its wavelength will

  • A.increase
  • B.decrease
  • C.decrease then increase
  • D.remain constant
Objective

Question details

Exam body
FUNAAB
Subject
Physics
Year
2017/2018
Question no.
#75
Type
Objective
Previous · Q74The temperature gradient across a copper rod of thickness 0.02m, maintained at… Next · Q76 Which of the following electromagnetic waves is least energetic?

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