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A metal rope of density 6000kgm^(-3) ha...

A metal rope of density `6000kgm^(-3)` has breaking stress `9.8xx10^8 Nm^(-2)` . This rope is used to measure the depth of the sea. Then the depth of the sea that can be measured without breaking is ----

A

`10 xx 10^3 m`

B

`20 xx 10^3 m`

C

`30 xx 10^3 m`

D

`40 xx 10^3m`

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The correct Answer is:
B
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AAKASH SERIES-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE - 3
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  15. One end of a horizontal thick copper wire of length 2L and radius 2R i...

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  16. Force constants of two wires A and B of the same material are k and 2k...

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