1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

The Vernier scale of a travelling microscope has 50 divisions which coincides with 49 main scale divisions. If each main scale division is $$0.5 \mathrm{~mm}$$, then the least count of the microscope is

A
$$0.5 \mathrm{~mm}$$
B
$$0.01 \mathrm{~mm}$$
C
$$0.5 \mathrm{~cm}$$
D
$$0.01 \mathrm{~cm}$$
2
KCET 2020
MCQ (Single Correct Answer)
+1
-0

A cylindrical wire has a mass $$(0.3 \pm 0.003) \mathrm{g}$$, radius $$(0.5 \pm 0.005) \mathrm{mm}$$ and length $$(6 \pm 0.06) \mathrm{cm}$$. The maximum percentage error in the measurement of its density is

A
1
B
2
C
3
D
4
3
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
$$\frac{P R-Q^2}{R}$$
4
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
$\left[M^0 L^2 T^0 A^1\right]$
KCET Subjects
EXAM MAP