Fundamentholfundamenthol
JEE Main2019Physics
Q.

Young’s moduli of two wires A and B are in the ratio 7 : 4. 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 close to 

  1. A

    1.3 mm

  2. B

    1.9 mm

  3. C

    1.5 mm

  4. D

    1.7 mm

Solution

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