Two wires 
and 
made of different materials of lengths 6.0 cm and 5.4 cm , respectively and area of cross sections 
and 
, respectively are stretched by the same magnitude under a given load. The ratio of the Young's modulus of 
to that of 
is 
. The value of 
is 
.
Text Solution
Verified by ExpertsThe correct answer is:
D
Young's modulus: 
.
When the same force is applied and both wires stretch by the same extension 
, the ratio of Young's moduli is:
.
Therefore 
, giving 
.
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