Physics A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ? Both reach at the same time Disk Depends on their masses Sphere Both reach at the same time Disk Depends on their masses Sphere ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Millimeter wave Ultraviolet Infrared Radiowave Millimeter wave Ultraviolet Infrared Radiowave ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? 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 It is highly electropositive ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Fission reaction Photo-Chemical reaction Fusion reaction Chemical reaction Fission reaction Photo-Chemical reaction Fusion reaction Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics In hydro power station, the motion produced in turbines is due to Burning of coal Production of steam Burning of diesel Flow of water Burning of coal Production of steam Burning of diesel Flow of water ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Rectifier Transformer Dynamo Oscillator Rectifier Transformer Dynamo Oscillator ANSWER DOWNLOAD EXAMIANS APP