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What would be the greatest length of a steel wire which when fixed at one end can hang freely without breaking ?
`(rho_("steel")=7.8xx10^(3)kg//m^(3)B.S._("steel")=7.8xx10^(8)N//m^(2))`

A

`2.02xx10^(2)m`

B

`1.02xx10^(4)m`

C

`3.02xx10^(3)m`

D

`4.02xx10^(5)m`

Text Solution

Verified by Experts

The correct Answer is:
B
B stress `=Lrho g`
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