Physics Specific gravity is defined as the ratio of 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 Density of the substance to the density of water at 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics When water freezes its density Remains constant Increases Becomes Zero Decreases Remains constant Increases Becomes Zero Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Diffusion Vaporisation Sublimation Evaporation Diffusion Vaporisation Sublimation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of displacement is known as ________ Speed Velocity Distance Acceleration Speed Velocity Distance Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Permissible noise level at Residential area during night time is : 80 dB (A) 45 dB (A) 75 dB (A) 55 dB (A) 80 dB (A) 45 dB (A) 75 dB (A) 55 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Diffraction Reflection Refraction Polarisation Diffraction Reflection Refraction Polarisation ANSWER DOWNLOAD EXAMIANS APP