Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Galileo Martin Luther Johannes Kepler Copernicus Galileo Martin Luther Johannes Kepler ANSWER DOWNLOAD EXAMIANS APP
Physics When a bullet is fired from a gun The gun moves forward The gun recoils with the same momentum as the bullet The gun does not move The gun jumps up The gun moves forward The gun recoils with the same momentum as the bullet The gun does not move The gun jumps up ANSWER DOWNLOAD EXAMIANS APP
Physics Mach number is used in connection with the speed of ships sound aircraft spacecraft ships sound aircraft spacecraft 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 : 0.20902777777778 0.12638888888889 0.12777777777778 0.21111111111111 0.20902777777778 0.12638888888889 0.12777777777778 0.21111111111111 ANSWER DOWNLOAD EXAMIANS APP
Physics A wire carrying current is Negatively charged Neutral Charged with a type depending upon current strength Positively charged Negatively charged Neutral Charged with a type depending upon current strength Positively charged ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Solid Gas Vacuum Liquid Solid Gas Vacuum Liquid ANSWER DOWNLOAD EXAMIANS APP
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