Blue
Yellow
Black
Green
If we move from surface to centre of a charged metal sphere the electric field will be -
If you float on your back on water, your weight is-
Impure camphor is purified by
In a barometer, mercury is preferred over water because
In a chemically pure state, diamonds are
In a diesel engine the high temperature needed to ignite the fuel is achieved by-
In a filament type light bulb most of the electric power consumed seems as
In a medium heat flows by the actual movement of the particles of the medium. This process of heat transmission is known as
In a period from Li to F, ionisation potential
In a photocell light energy is converted into
