1.

When a compressible wave is sent towards bottom of sea from a stationary ship it is observed that its echo is hear after `2s`. If bulk modulus of elasticity of water is `2xx10^(9)N//m^(2)`, mean temperature of water is `4^(@)` and mean density of water is `1000kg//m^(3)`, then depth of sea will beA. `1014m`B. `1414m`C. `2828m`D. `3000m`

Answer» Correct Answer - B
`(2d)/(v_(s))=2`
`rArrd=v_(s)`
`rArr d=sqrt((B)/(rho))=sqrt((2xx10^(9))/(1000))=1414m`


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