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 |
|||
(a) |
1.3 mm |
(b) |
1.9 mm |
(c) |
1.5 mm |
(d) |
1.7 mm |
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 |
|||
(a) |
1.3 mm |
(b) |
1.9 mm |
(c) |
1.5 mm |
(d) |
1.7 mm |