Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

A body initially at rest undergoes rectilinear motion. The forcetime (F-t) graph for the motion of the body is given below. Find the linear momentum gained by the body in $$2 \mathrm{~s}$$.

COMEDK 2024 Evening Shift Physics - Laws of Motion Question 1 English

A
$$ \pi N-s $$
B
$$ \frac{\pi}{2} \mathrm{~N}-\mathrm{s} $$
C
$$ \frac{\pi}{4} N-s $$
D
$$ 2 \pi N-s $$
2
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

Action and reaction can never balance out because

A
They are unequal in magnitudes
B
Though they are equal in magnitude and opposite in direction they act on different bodies.
C
They are equal in magnitude but not opposite always.
D
They are unequal in magnitudes even though opposite in direction
3
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

A cube bar slides thrice the time with friction than that without friction when it slides on an inclined plane of inclination $$45^{\circ}$$. The coefficient of friction between the block and the surface is

A
1
B
0.66
C
0.88
D
0.5
4
COMEDK 2024 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0

A man standing in a truck moving with constant velocity throws a ball vertically into air, ball falls

A
Outside the truck
B
In the truck behind the boy
C
In the truck ahead of the boy
D
Exactly in the hand of the boy
COMEDK Subjects