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A disc arranged in a vertical plane has two groves of same length directed along the vertical chord AB and CD as shown. The same particle slides down along AB and CD. The ratio of time Tab/Tcd is ................... (Ans. 1/root 2)

A disc arranged in a vertical plane has two groves of same length directed along the vertical chord AB and CD as shown. The same particle slides down along AB and CD. The ratio of time Tab/Tcd is ...................  (Ans. 1/root 2)

Grade:11

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