JEE Main 8 Apr 2019 Paper 2 Solved Paper

Section: Physics

Question : 12 of 90

Marks: +1, -0

Young’s moduli of two wires A and B are in the ratio 7:4. Wire A is 2m long and has radius R. Wire B is 1.5 m long and has radius 2 mm. If the two wires stretch by the same length for a given load, then the value of R is close to :

[8 Apr 2019 Shift 2]

1.7 mm
1.3 mm
1.5 mm
1.9 mm

Validate

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