Physics Which of the following options correctly explains the term heat budget? It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. 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 the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor There is no conduction band The forbidden energy gap is very wide The valence band and the conduction band overlap each other The forbidden energy gap is very narrow There is no conduction band The forbidden energy gap is very wide The valence band and the conduction band overlap each other The forbidden energy gap is very narrow ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It rises a little It jolts It lowers It sways It rises a little It jolts It lowers It sways ANSWER DOWNLOAD EXAMIANS APP
Physics A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be < P 2P > P P < P 2P > P P ANSWER DOWNLOAD EXAMIANS APP
Physics What is the other name of Galileo's law of falling bodies? Law of motion Newton's third law Newton's first law Newton's second law Law of motion Newton's third law Newton's first law Newton's second law ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands Contracts It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Expands ANSWER DOWNLOAD EXAMIANS APP