2020 MHT-CET PCM SET - 02 - Maharashtra Board STD 12 Science MHT - CET Questions

150

Questions

1

Question groups

5

Question types

01

MCQ

150 Q→

Sample Questions

2020 MHT-CET PCM SET - 02 questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark

A square frame of each side L is dipped in a soap solution and taken out. The force acting on the film formed is _____.
(T = surface tension of soap solution).

A
12 TL
B
2 TL
C
$R=\left(R_1^3+R_2^3\right)^{1 / 3}$
✓
8 TL

Answer: D.

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Q 2MCQ1 Mark

In conversion of moving coil galvanometer into an ammeter of required range, the resistance of ammeter, so formed is ______.
[S = shunt and G = resistance of galvanometer]

A
$\frac{ S - G }{ SG }$
B
$\frac{ SG }{ S - G }$
C
$\frac{S+G}{S G}$
✓
$\frac{ SG }{ S + G }$

Answer: D.

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Q 3MCQ1 Mark

A particle of mass m is performing UCM along a circle of radius r. The relation between centripetal acceleration a and kinetic energy E is given by

A
$a=\frac{E}{m r}$
B
$a=\left(\frac{2 E}{m r}\right)^2$
C
a = 2Em
✓
$a =\frac{2 E }{ mr }$

Answer: D.

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Q 4MCQ1 Mark

A ray of light travelling through glass of refractive index$\sqrt{2}$ is incident on glass-air boundary at an angle of incidence 45°. If refractive index of air is 1, then the angle of refraction will be $\left[\sin 45^{\circ}=\frac{1}{\sqrt{2}}, \sin 90^{\circ}=1\right]$