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Young's modulus of steel is 1.9 xx 10^(1...

Young's modulus of steel is `1.9 xx 10^(11)(N)/(m^(2))` . When expressed in `("dyne")/(cm^(2))` of it will be equal to `(IN = 10^(5) "dyne" , 1 m^(2)=10^(4) cm^(2))`

A

`1.9xx10^(10)`

B

`1.9xx10^(11)`

C

`1.9xx10^(12)`

D

`1.9xx10^(13)`

Text Solution

Verified by Experts

`Y=1.9xx10^(11)((10^(5)"dyne")/(10^(4)cm^(2))) ( :. 1N=10^(5)"dyne", 1m^(2)=10^(4) cm^(2))`
`Y=(1.9xx10^(12)"dyne")/(cm^(2))`
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