Knockout JEE Main April 2021 (One Month)
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Young's moduli of two wires A and B are in the ratio 7:4 wire. Wire A is 2 m 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 closed to:
1.5 mm
1.9 mm
1.7 mm
1.3 mm
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Option 1)
1.5 mm
Option 2)
1.9 mm
Option 3)
1.7 mm
Option 4)
1.3 mm