Clock
Electrical switchboard
Radio
Magnet
Telescope is used to
Temperature can be expressed as derived quantity in terms of any of the following
Tesla is a unit of magnetic
The 1st law of thermodynamics is simply the case of
The absolute zero is a temperature at which
The absolute zero on celsius scale is
The advantage of AC over DC is that
The amount of matter in a ball of steel is its :
The angle between the _ and the incident ray is called the angle of incidence.
The angle in which a cricket ball should be hit to travel max. horizontal distance is: