Question
Young's modules of materials of a wire of Length ' L ' and cross-sectional area A is Y . If the length of the wire is doubled and cross-sectional area is halved then Young's modules will be:
BITSAT
Physics
Mechanical Properties of Solids
2024
BITSAT 2024 (Memory Based Paper 1)
BITSAT Physics Question (2024) — Solution
Options
- A. Y 4
- B. 4 Y
- C. Y
- D. 2 Y
Answer
C. Y
Step-by-step solution
Young's modulus depends on the material not depends on length and cross sectional area. So Young's modulus remains constant.
Related: Physics — Mechanical Properties of Solids · All PYQ Banks