Physics The cooling by a desert Cooler is based on: Air dehydration Evaporative Cooling Hot air replacement Air Rehydration Air dehydration Evaporative Cooling Hot air replacement Air Rehydration ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Reflection on sea water Atmospheric water vapour Emision of blue wavelength by the sun Scattering of light Reflection on sea water Atmospheric water vapour Emision of blue wavelength by the sun Scattering of light ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Converts electrical energy into mechanical energy Creates electrical energy Converts mechanical energy into electrical energy Creates mechanical energy Converts electrical energy into mechanical energy Creates electrical energy Converts mechanical energy into electrical energy Creates mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Superconductors are those elements Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators Which conduct electricity only at super-high temperatures Whose resistance falls almost to zero at very low temperatures Which turn into insulators at very low temperatures Whose conductivity is intermediate between metals and insulators ANSWER DOWNLOAD EXAMIANS APP
Physics The material used in the fabrication of a transistor is Aluminium Silver Copper Silicon Aluminium Silver Copper Silicon ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are more energetic than long waves. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. ANSWER DOWNLOAD EXAMIANS APP