#### description

time period, frequency, graph of length l vs. T^{2} only; slope of the graph. Formula `T=2.pi.sqrt(l` [no derivation]. Only simple numerical problems.

ICSE Class 9CISCE

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1. Inform you about time table of exam.

2. Inform you about new question papers.

3. New video tutorials information.

time period, frequency, graph of length l vs. T^{2} only; slope of the graph. Formula `T=2.pi.sqrt(l` [no derivation]. Only simple numerical problems.

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