The length of a wire is increased by 1 mm on the application of a given load. In a wire of the same material, but of length and radius twice that of the first, on the application of the same load, extension is
a)
0.25 cm
b)
0.5 cm
c)
2 mm
d)
4 mm
The length of a wire is increased by 1 mm on the application of a given load. In a wire of the same material, but of length and radius twice that of the first, on the application of the same load, extension is
a)
0.25 cm
b)
0.5 cm
c)
2 mm
d)
4 mm
Question ID - 56418 | SaraNextGen Top Answer
The length of a wire is increased by 1 mm on the application of a given load. In a wire of the same material, but of length and radius twice that of the first, on the application of the same load, extension is
a)
0.25 cm
b)
0.5 cm
c)
2 mm
d)
4 mm
|
The length of a wire is increased by 1 mm on the application of a given load. In a wire of the same material, but of length and radius twice that of the first, on the application of the same load, extension is |
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a) |
0.25 cm |
b) |
0.5 cm |
c) |
2 mm |
d) |
4 mm |
1 Answer
127 votes
Answer Key / Explanation : (b) -
|
(b)
In the given problem, |
when both 
are double, 
is halved.127 votes
Answer Link
127