Physics Which best describes how air moves during convection? Cool air falls down Warm air falls down Cool air is replaced by warm air Air always falls down Cool air falls down Warm air falls down Cool air is replaced by warm air Air always falls down ANSWER DOWNLOAD EXAMIANS APP
Physics The swing of a spinning cricket ball in air can be explained on the basis of Turbulence caused by wind. Bernoulli's theorem. Buoyancy of air. Sudden change in wind direction. Turbulence caused by wind. Bernoulli's theorem. Buoyancy of air. Sudden change in wind direction. ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves capillary action phenomenon the liquid state of oil volatility of oil the diffusion of oil through the wick capillary action phenomenon the liquid state of oil volatility of oil the diffusion of oil through the wick ANSWER DOWNLOAD EXAMIANS APP
Physics On a rainy day, small oil films on water show brilliant colours. This is due to dispersion interference polarization diffraction dispersion interference polarization diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle At a higher elevation than the bird At the lower elevation than the bird In the same direction as the bird Vertically upwards At a higher elevation than the bird At the lower elevation than the bird In the same direction as the bird Vertically upwards ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion Nuclear fission Artificial radioactivity Radioactivity Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS