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Which two of the following five physical...

Which two of the following five physical parameters have the same dimension?
(1) Energy density
(2) refractive index
(3) dielectric constant
(4) Young's modulus
(5) magnitic field

A

(a) and (e)

B

(b) and (d)

C

( c) and (e)

D

(a) and (d)

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The correct Answer is:
D
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