Physics Which of the following options correctly explains the term heat budget? It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation ANSWER DOWNLOAD EXAMIANS APP
Physics The freezing point of fresh water is ________ . 0°C 5°C 3°C 4°C 0°C 5°C 3°C 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics A gap is left between two rails of a railway track to accommodate...... of the metal. Volume expansion Linear expansion Apparent expansion Areal expansion Volume expansion Linear expansion Apparent expansion Areal expansion ANSWER DOWNLOAD EXAMIANS APP
Physics We always see the same face of the moon, because It is smaller than the earth It revolves on its axis in adirection opposite to that ofthe earth It takes equal time for revolution around the earth and rotation on its own axis It rotates at the same speed as the earth around the sun It is smaller than the earth It revolves on its axis in adirection opposite to that ofthe earth It takes equal time for revolution around the earth and rotation on its own axis It rotates at the same speed as the earth around the sun ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Candela Lumen Lux Lumen second Candela Lumen Lux Lumen second ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density None of these Remains same Increases Decreases None of these Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP