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Sahay Sir > Question Answers > NCERT Exemplar Class 11 > Physics > Chapter 14 - Waves > A vertical off-shore structure is built to withstand a maximum stress of 10^9 Pa. Is the structure suitable for putting up on top of an oil well in the ocean ? Take the depth of the ocean to be roughly 3 km, and ignore ocean currents.

A vertical off-shore structure is built to withstand a maximum stress of 10^9 Pa. Is the structure suitable for putting up on top of an oil well in the ocean ? Take the depth of the ocean to be roughly 3 km, and ignore ocean currents.

2 loops 3 loops and 4 loops Show that when a string fixed at its two ends vibrates in 1 loop the frequencies are in the ratio 1 : 2 : 3 : 4.