Physics Which phenomenon is responsible for the echo of sound wave? Polarisation Interference Refraction Reflection Polarisation Interference Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Supersonic plane fly with the speed greater than the speed of sound of sound less than the speed of sound of light greater than the speed of sound of sound less than the speed of sound of light ANSWER DOWNLOAD EXAMIANS APP
Physics What type of force acts on a car moving around a curve? Centripetal force Cohesive force Gravitational force Centrifugal force Centripetal force Cohesive force Gravitational force Centrifugal force ANSWER DOWNLOAD EXAMIANS APP
Physics The composition of electrician solder is Steel-37%, copper-63% Iron-37%, tin-63% Lead-37%, tin-63% Lead-37%, Steel-63% Steel-37%, copper-63% Iron-37%, tin-63% Lead-37%, tin-63% Lead-37%, Steel-63% ANSWER DOWNLOAD EXAMIANS APP
Physics Which one is the unit of surface tension of a liquid Newton /m2 None of these Joule/ mm Electron volt /cm2 Newton /m2 None of these Joule/ mm Electron volt /cm2 ANSWER DOWNLOAD EXAMIANS APP
Physics A potentiometer wire is 100 cm long and a constant potential difference is maintained across it. Two cells are connected in series first to support one another and then in opposite direction. The balance points are obtained at 50 cm and 10 cm from the positive end of the wire in the two cases. The ratio of the emf's is : 0.12777777777778 0.21111111111111 0.20902777777778 0.12638888888889 0.12777777777778 0.21111111111111 0.20902777777778 0.12638888888889 ANSWER DOWNLOAD EXAMIANS APP