Physics Which one among the following doesn't have any effect on velocity of sound ? Pressure Humidity Temperature Density Pressure Humidity Temperature Density ANSWER DOWNLOAD EXAMIANS APP
Physics The density of water is 1 g/cc. This is strictly valid at 25°C 100°C 4°C 0°C 25°C 100°C 4°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics Kilowatt-hour is the unit of : Force Power Energy Momentum Force Power Energy Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m. 4000 40 2000 80 4000 40 2000 80 ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases No change Increases Decreases First increases and than decreases No change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Boyle's law Archimedes principle Conservation of mass principle Pascal's law Boyle's law Archimedes principle Conservation of mass principle Pascal's law ANSWER DOWNLOAD EXAMIANS APP