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
NEET 2019
MCQ (Single Correct Answer)
+4
-1
A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when :
A
the wire is horizontal
B
inclined at an angle of 60o from vertical
C
the mass is at the lowest point
D
the mass is at the highest point
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is incorrect?
A
Rolling friction is smaller than sliding friction.
B
Limiting value of static friction is directly proportional to normal reaction.
C
Frictional force opposes the relative motion.
D
Coefficient of sliding friction has dimensions of length.
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
A block of mass m is placed on a smooth inclined wedge ABC of inclination q as shown in the figure. The wedge is given an acceleration ‘a’ towards the right. The relation between a and q for the block to remain stationary on the wedge is NEET 2018 Physics - Laws of Motion Question 12 English
A
$$a = {g \over {\cos ec\theta }}$$
B
$$a = {g \over {\cos ec\theta }}$$
C
$$a = g\cos \theta $$
D
$$a = g\tan \theta $$
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
One end of string of length $$l$$ is connected to a particle of mass 'm' and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed '$$\upsilon $$', the net force on the particle (directed towards centre) will be (T represents the tension in the string)
A
$$T + {{m{v^2}} \over l}$$
B
$$T - {{m{v^2}} \over l}$$
C
zero
D
$$T$$
NEET Subjects