1.

Two wires of same material , having cross-sectional areas in the ratio 1 : 2 and lengths in the ratio 1 : 4 are stretched by the same force. The ratio of the stresses in the wires will be ………….. .

Answer»

`1 : 2`
`2 : 1`
`1 : 4`
`4 : 1`

SOLUTION :STRESS = `F/A , (("Stress")_1)/(("Stress")_2) = (A_2)/(A_1) = 2/1`


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