Physics Why does'nt the hydrogen atom emit X-rays? It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size It is highly electropositive Its energy levels are very close to each other It has only one electron It is very small in size ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It reflects heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat It is a poor conductor of heat It reflects heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat It is a poor conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Ice cubes are added to a glass of pure water and a glass of pure alcohol. The ice would be At the same level in both At a higher level in alcohol Floating in alcohol and sinking in water At a higher level in water At the same level in both At a higher level in alcohol Floating in alcohol and sinking in water At a higher level in water ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is the value of one nanometer? 10-3 cm 10-7 cm 10-6 cm 10-4 cm 10-3 cm 10-7 cm 10-6 cm 10-4 cm ANSWER DOWNLOAD EXAMIANS APP
Physics The domain theory of magnetism applies to Aluminium Silver Copper Cobalt Aluminium Silver Copper Cobalt ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 11 Km/Sec. 5 Km/Sec. 15 Km/Sec. 6 Km/Sec. 11 Km/Sec. 5 Km/Sec. 15 Km/Sec. 6 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP