Physics
Absolute Zero is defined as

At which the volume becomes zero
At which liquid Helium boils
At which water boils at 298K
The temperature at which all molecular motion ceases

ANSWER DOWNLOAD EXAMIANS APP

Physics
Mica is used in electrical appliances such as electric iron because mica is

a good conductor of heat but a bad conductor of electricity
a bad conductor of heat as well as electricity
a bad conductor of heat but a good conductor of electricity
a good conductor of heat as well as electricity

ANSWER DOWNLOAD EXAMIANS APP