Physics A device used for converting a.c. into d.c. is called Transformer Induction coil Rectifier Dynamo Transformer Induction coil Rectifier Dynamo ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of the substance to the density of water at 0°C Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of water at 4°C to the density of the substance Density of the substance to the density of water at 0°C Density of the substance to the density of water at 4°C Density of the substance to the density of water Density of water at 4°C to the density of the substance ANSWER DOWNLOAD EXAMIANS APP
Physics Who was the first scientist to discover Electrons? Albert Einstein J.J Thompson J.C. Bose Isaac Newton Albert Einstein J.J Thompson J.C. Bose Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Small bubbles are perfectly spherical because of Surface tension Gravity Pressure Viscosity Surface tension Gravity Pressure Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Source Speed Medium Amplitude Source Speed Medium Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics When a bullet is fired from a gun The gun does not move The gun moves forward The gun recoils with the same momentum as the bullet The gun jumps up The gun does not move The gun moves forward The gun recoils with the same momentum as the bullet The gun jumps up ANSWER DOWNLOAD EXAMIANS APP