The process of releasing nuclear energy is called
Nuclear fission
Nuclear fussion
Explosion
Radiation
Stopping and starting of current flow in a circuit can be controlled by
A voltmeter
An ammeter
A Switch
A galvanometer
A metal rod that may be attached to the top of a tall building is called
Insulator
Magnet
Lightning conductor
A material through which electrons can flow is called
Conductor
None of these
The energy possessed by virtue of its position is called
Potential energy
Kinetic energy
Electrical energy
Mechanical energy
Which radiation causes chemical changes in our skin that gives the skin a tan?
Infrared radiations
Ultraviolet radiation
Sun light
Radioactive radiations
The is unit of work done is
N
N m
N/m
N/m2
Energy and work are measured in
Joule
Newton
Pascal
The energy stored in the water at high tide can be used for
Generating electricity
Irrigation
Cooking
