Which two of the following five physical para | vedclass

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Energy density  = $[ {\frac{{workd\,done}}{{volume}}} ] = \frac{{ML{T^{ - 2}} \cdot L}}{{{L^3}}} = [ {M{L^{ - 1}}{T^{ - 2}}}$
 Young's&

Vedclass · Accepted Answer

$1$ and $4$

Vedclass · Answer

Energy density  = $[ {\frac{{workd\,done}}{{volume}}} ] = \frac{{ML{T^{ - 2}} \cdot L}}{{{L^3}}} = [ {M{L^{ - 1}}{T^{ - 2}}}$
 Young's  modulus = $\left[ Y ight] = \left[ {\frac{{Force}}{{Area}}} ight] 	imes \frac{{\left[ l ight]}}{{\left[ {\Delta l} ight]}}$
$= \frac{{ML{T^{ - 2}}}}{{{L^2}}}\, \cdot \frac{L}{L} = \left[ {M{L^{ - 1}}{T^{ - 2}}} ight]$
The dimensionsof $1$ and $4$ are the same.

	List $-I$		List $-II$
$A$.	Coefficient of Viscosity	$I$.	$[M L^2T^{–2}]$
$B$.	Surface Tension	$II$.	$[M L^2T^{–1}]$
$C$.	Angular momentum	$III$.	$[M L^{-1}T^{–1}]$
$D$.	Rotational Kinetic energy	$IV$.	$[M L^0T^{–2}]$

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

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