Electricity
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)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Semiconductor Electronics
MCQ (Single Correct Answer)
1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the banking angle is 45o, the speed of the car is
A
20 m s$$-$$1
B
30 m s$$-$$1
C
5 m s$$-$$1
D
10 m s$$-$$1
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
ABC is an equilateral triangle with O as its centre. $${\overrightarrow F _1},{\overrightarrow F _2}$$ and $${\overrightarrow F _3}$$ represent three forces acting along the sides AB, BC and AC respectively. If the total torque about O is zero then magnitude of $${\overrightarrow F _3}$$ is

AIPMT 2012 Prelims Physics - Rotational Motion Question 64 English
A
F1 + F2
B
F1 $$-$$ F2
C
$${{{F_1} + {F_2}} \over 2}$$
D
2(F1 + F2)
3
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
A small mass attached to a string rotates on a frictionless table top as shown. If the tension in the string is increased by pulling the string causing the radius of the circular motion to decrease by a factor of 2, the kinetic energy of the mass will

AIPMT 2011 Mains Physics - Rotational Motion Question 58 English
A
decrease by a factor of 2
B
remain constant
C
increase by a factor of 2
D
increase by a factor of 4
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The instantaneous angular position of a point on a rotating wheel is given by the equation $$\theta \left( t \right) = 2{t^3} - 6{t^2}$$

The torque on the wheel becomes zero at
A
t = 1 s
B
t = 0.5 s
C
t = 0.25 s
D
t = 2 s
NEET Subjects