Question

Which two of the following five physical
parameters have the same dimensions ?
1) Energy density
2) Refractive index
3) Dielectric constant
4) Young's modulus
5) Magnetic field
a) 2 and 4
b) 3 and 5
c) 1 and 4
d) 1 and 5​

Answer 1

Answer:

hii the answer is 4 young modulus 1 energy density