JEE Main Physics question
On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross-section , the force required is [ for steel ] [MP PET/PMT 1988]
Answer: (D)
Solution
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On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross-section , the force required is [ for steel ] [MP PET/PMT 1988]
.