Physics Who measured the velocity of light first ? Einstein Galileo Newton Romer Einstein Galileo Newton Romer ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Dynamo Rectifier Oscillator Transformer Dynamo Rectifier Oscillator Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Microsecond Nanosecond Picoseconds Millisecond Microsecond Nanosecond Picoseconds Millisecond ANSWER DOWNLOAD EXAMIANS APP
Physics Stars appear twinkling because of ......... of light. Scattering Absorption Reflection Emission Scattering Absorption Reflection Emission ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays Radio waves Infrared rays ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust is good conductor of heat Sawdust does not allow the air to touch the ice ANSWER DOWNLOAD EXAMIANS APP