1
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In compound microscope, the focal length and the aperture of the objective used is respectively

A
large and large
B
large and small.
C
small and large.
D
small and small.
2
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A glass capillary of radius 0.35 mm is inclined at $60^{\circ}$ with the vertical in water. The height of the water column in the capillary is (surface tension of water $=7 \times 10^{-2} \mathrm{~N} / \mathrm{m}$, acceleration due to gravity, $g=10 \mathrm{~m} / \mathrm{s}^2, \cos 0^{\circ}=1, \cos 60^{\circ}=0.5$ )

A
6 cm
B
8 cm
C
10 cm
D
12 cm
3
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

When a photosensitive surface is irradiated by lights of wavelengths ' $\lambda_1$ ' and ' $\lambda_2$ ', kinetic energies of the emitted photoelectrons is ' $E_1$ ' and ' $E_2$ ' respectively. The work function of the photosensitive surface is

A
$\frac{\left(E_2 \lambda_2-E_1 \lambda_1\right)}{\left(\lambda_2-\lambda_1\right)}$
B
$\frac{\left(E_1 \lambda_1+E_2 \lambda_2\right)}{\left(\lambda_2-\lambda_1\right)}$
C
$\frac{\left(E_1 \lambda_1-E_2 \lambda_2\right)}{\left(\lambda_2-\lambda_1\right)}$
D
$\frac{\left(E_2 \lambda_2+E_1 \lambda_1\right)}{\left(\lambda_1-\lambda_2\right)}$
4
MHT CET 2024 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In an ammeter, $0.25 \%$ of main current passes through the galvanometer. If the resistance of the galvanometer is ' G ', the resistance of ammeter will be

A
$\frac{399}{400} \mathrm{G}$
B
$\frac{1}{400} \mathrm{G}$
C
$\frac{499}{500} \mathrm{G}$
D
$\frac{1}{500} \mathrm{G}$
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