Question
Question: Which of the following substances has highest value of Young’s modulus?...
Which of the following substances has highest value of Young’s modulus?
A
Aluminum
B
Iron
C
Copper
D
Steel
Answer
Steel
Explanation
Solution
| Substance | Young’s modulus ( × 109Nm−2 |
|---|---|
| Aluminium | 70 |
| Copper | 120 |
| Iron | 190 |
| Steel | 200 |
From the table, it is clear that among the given substances steel has the highest value of Young’s modulus.