Physics Why does'nt the hydrogen atom emit X-rays? It has only one electron It is highly electropositive It is very small in size Its energy levels are very close to each other It has only one electron It is highly electropositive It is very small in size Its energy levels are very close to each other ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Plano-concave lens Concave lens Cylindrical lens Convex lens Plano-concave lens Concave lens Cylindrical lens Convex lens 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 : Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Metals have higher thermal capacity than plastics Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Infra red Cosmic rays Red light Ultra violet Infra red Cosmic rays Red light Ultra violet ANSWER DOWNLOAD EXAMIANS APP
Physics The density of a gas is maximum at High temperature, high pressure High temperature, low pressure Low temperature, high pressure Low temperature, low pressure High temperature, high pressure High temperature, low pressure Low temperature, high pressure Low temperature, low pressure ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Semi conductor Conductor Superconductor Insulator Semi conductor Conductor Superconductor Insulator ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS