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

Gujarat BoardEnglish MediumSTD 11 SciencePhysics14. waves and sound1 Mark
MCQ
A standing wave is established in single loop. At $t = 0$ , $K.E.$  of string is zero. Choose the correct option 
  • ✓
    All particles between $A$ and $C$ are loosing energy at this instant.
  • B
    Only $A$ is loosing energy among all particles from $A$ to $B$
  • C
    All particles between $B$ and $C$ are loosing energy at this instant
  • D
    $C$ is loosing energy at this instant.
✓

Answer

Correct option: A.
All particles between $A$ and $C$ are loosing energy at this instant.
a

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