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14.Waves and Sound
normal
In a standing wave on a string rigidly fixed at both ends
A
all the particles must be at their positive extremes simultaneously once in half of the time period
B
all the particles must be at their positive extremes simultaneously once in a time period.
C
in one time period all the particles are simultaneously at rest twice
D
all the particle are never at rest simultaneously.
Solution
In stationary wave pattern, the particles reaches their extreme position twice in one line period.
Standard 11
Physics
