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Physics
The dimensional formula for the power of a lens is
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Q. The dimensional formula for the power of a lens is
KEAM
KEAM 2022
A
$\left[L^{-1} M^{\circ} T^{\circ}\right]$
B
$\left[L^{\circ} M^{-1} T^{\circ}\right]$
C
$\left[L^{\circ} M^{\circ} T^{-1}\right]$
D
$\left[L^{\circ} M^{\circ} T^{\circ}\right]$
E
$\left[L^{-1} M^{\circ} T^{-1}\right]$
Solution:
Correct answer is (a) $\left[L^{-1} M^{\circ} T^{\circ}\right]$