Which two of the following five physical paramenters have the same dimensions $?$
$(1) $ energy density
$(2)$ refractive index
$(3) $ dielectric constant
$(4) $ Young's modulus
$(5)$ magnetic field
Which two of the following five physical paramenters have the same dimensions $?$
$(1) $ energy density
$(2)$ refractive index
$(3) $ dielectric constant
$(4) $ Young's modulus
$(5)$ magnetic field
- [AIPMT 2008]
- A
$1$ and $4$
- B
$1$ and $5$
- C
$2$ and $4$
- D
$3$ and $5$
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