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14. waves and sound — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics14. waves and sound1 Mark
MCQ
Source and observer both start moving simultaneously from origin, one along $x-$axis and the other along $y-$axis with speed of source = twice the speed of observer. The graph between the apparent frequency observed by observer $f$ and time $t$ would approximately be :
  • A

  • ✓

  • C

  • D

✓

Answer

Correct option: B.

b

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