1
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

For an insulator, the forbidden energy gap is

A
Zero
B
1eV
C
2eV
D
5eV
2
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A machine gun fires 300 bullets per min if the mass of each bullet is 10 g and the velocity of the bullets is 600 ms$$-$$1, the power (in kW) of the gun is

A
43200
B
9
C
72
D
7.2
3
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

Four holes of radius 5 cm are cut from a thin square plate of 20 cm and mass 1 kg. The moment of inertia of the remaining portion about Z-axis is

BITSAT 2022 Physics - Rotational Motion Question 2 English

A
15 kg-m2
B
0.37 kg-m2
C
0.0017 kg-m2
D
0.08 kg-m2
4
BITSAT 2022
MCQ (Single Correct Answer)
+3
-1

A particle of mass m is projected with velocity v at an angle $$\theta$$ with the horizontal. At its highest point, it explodes into two pieces of equal mass, one of the piece continue to move on the original trajectory, then the velocity of second piece is

A
2 v cos$$\theta$$
B
v cos$$\theta$$
C
3 v cos$$\theta$$
D
$$\frac{v}{2}$$ cos$$\theta$$
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