Which of the following is a characteristic of an exothermic reaction?
The washing machine works on the principle of ____________.
In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called .............
A galvanometer can be converted into a voltmeter by connecting with it a
Which phenomenon is responsible for the echo of sound wave?
A body moving in a circular path with a constant speed has a ........
The modulus of rigidity is the ratio of
The strength of a force is usually expressed by its...........
Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules is
Transformer is a device to convert