Which option is correct about the elasticity of steel and rubber?
A
Rubber is more elastic than steel.
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B
Steel is more elastic than rubber.
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C
Both are equally elastic
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D
None of these
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Solution
The correct option is B Steel is more elastic than rubber. A material is comparitively more elastic if it can regain its original shape for a greater range of applied force. Rubber cannot retain this property over the same range as the steel can. Thus steel is more elastic than rubber.