Physics Why does'nt the hydrogen atom emit X-rays? It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size It is highly electropositive It has only one electron Its energy levels are very close to each other It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity and centre of equilibrium fall within the feet Centre of gravity falls within the body Resultant weight of buckets is zero Weights of buckets are balanced Centre of gravity and centre of equilibrium fall within the feet Centre of gravity falls within the body ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Joule/ mm None of these Newton /m2 Electron volt /cm2 Joule/ mm None of these Newton /m2 Electron volt /cm2 ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Prevent cold waves from the sky descending on earth Produce heat and radiate it toward earth Reflect back the heat given by earth ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of Force? Boyle Newton Pascal Watt Boyle Newton Pascal Watt ANSWER DOWNLOAD EXAMIANS APP
Physics The method of magnetisation is: Passing alternating current through it Passing direct current through it Heating a magnet Hammering a magnet Passing alternating current through it Passing direct current through it Heating a magnet Hammering a magnet ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS