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1
KCET 2019
MCQ (Single Correct Answer)
+1
-0

If $$P, Q$$ and $$R$$ are physical quantities having different dimensions, which of the following combinations can never be a meaningful quantity?

A
$$\frac{P-Q}{R}$$
B
$$P Q-R$$
C
$$\frac{P Q}{R}$$
D
$$\frac{P R-Q^2}{R}$$
2
KCET 2018
MCQ (Single Correct Answer)
+1
-0
The dimensions of the ratio of magnetic flux $(\phi)$ and permeability $(\mu)$ are
A
$\left[M^0 L^1 T^0 A^1\right]$
B
$\left[M^9 L^{-3} T^0 A^1\right]$
C
$\left[M^0 L^1 T^1 A^{-1}\right]$
D
$\left[M^0 L^2 T^0 A^1\right]$
3
KCET 2017
MCQ (Single Correct Answer)
+1
-0
A substance of mass 49.53 g occupies $1.5 \mathrm{~cm}^3$ of volume. The density of the substance (in $\mathrm{g} \mathrm{cm}^{-3}$ ) with correct number of significant figures is
A
3.3
B
3.300
C
3.302
D
33.0
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