Physics Light travels at the fastest speed in: water hydrogen vacuum glass water hydrogen vacuum glass ANSWER DOWNLOAD EXAMIANS APP
Physics Which tube used to produce X-ray? Coolidge tube X-ray tube None of these Roentgen Coolidge tube X-ray tube None of these Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics The minimum number of geostationary satellites needed for uninterrupted global coverage is : 2 1 3 4 2 1 3 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Specific gravity is defined as the ratio of Density of water at 4°C to the density of the substance Density of the substance to the density of water Density of the substance to the density of water at 4°C Density of the substance to the density of water at 0°C Density of water at 4°C to the density of the substance Density of the substance to the density of water Density of the substance to the density of water at 4°C Density of the substance to the density of water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics Temperature of distant luminous bodies can be determined by Mercury thermometers Colour thermometers Gas thermometers Pyrometers Mercury thermometers Colour thermometers Gas thermometers Pyrometers ANSWER DOWNLOAD EXAMIANS APP
Physics Sound becomes hazardous noise pollution at decibels? Above 30 db Above 120 db Above 80 db Above 50 db Above 30 db Above 120 db Above 80 db Above 50 db ANSWER DOWNLOAD EXAMIANS APP