What is the SI unit of modulus of elasticity of a substance?
A. Nm-2
B. Jm-2
C. Nm-1
D. Being a number, it has no unit
Answer:A
What is the SI unit of modulus of elasticity of a substance?
A. Nm-2 B. Jm-2 C. Nm-1 D. Being a number, it has no unit