The ratio of the areas of cross sections of three wires in 1:2:3 and the ratio of the Young's modulii of their materials is 
. If the three wires are of same length and same stretching force is applied to the three wires, then the ratio of the elongations of the three wires is
A
4:3:4
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
From Hookes law, 
or 
F and 
same for three wires
Given 
and 
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