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प्रश्न
At any instant, where is the disturbance maximum on the surface of the water?
विकल्प
On rays normal to the rings
On a common tangent to spheres
On circular rings
Only at the point of impact
MCQ
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उत्तर
A photograph taken at an instant would show circular rings on which the disturbance is maximum. The rings spread out from the point of impact.
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