Physics A bullet is fired from a rifle which recoils after firing. The ratio of kinetic energy of the rifle to that of the bullet is One Less than one Zero More than one One Less than one Zero More than one ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Metals have higher thermal capacity than plastics Plastics have a lower density than metals Metals are good conductors of heat Plastics have a higher thermal conductivity than metals ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the resistance Ro decrease the voltage momentarily To increase the current flow To decrease the current flow To decrease the resistance Ro decrease the voltage momentarily To increase the current flow To decrease the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Ordinary glass Flint glass Pyrex glass Cobalt glass Ordinary glass Flint glass Pyrex glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
Physics The working of a rocket is based on the principle of: Conservation of mass Conservation of momentum Conservation of angular momentum Conservation of energy Conservation of mass Conservation of momentum Conservation of angular momentum Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Perfect conductors Superconductors Semi conductors Dielectrics Perfect conductors Superconductors Semi conductors Dielectrics ANSWER DOWNLOAD EXAMIANS APP