Let the Width of the track =r1-r2. Difference between the outer circumference and the inner circumference=33m. 
What component is traditionally used to regulate the speed of a ceiling fan?
Which Vitamin is soluble in water?
Which gas law states that the pressure of a gas varies directly with temperature when mass and volume remain constant?
Pulsars are :
During __________ motion of an object along a straight line, the change in velocity of the object for any time interval is zero.
Electrical fuse is used to interrupt excess of _________.
As an air bubble ascends from the bottom of a lake to the surface, what happens to its size?
The SI unit of Pressure is
A girl is standing 5 metres away from a plane mirror. How much distance should she move towards the mirror so that she will be 2 metres farther from her...
A simple microscope consists of :
