Physics Which best describes how air moves during convection? Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down Warm air falls down Air always falls down Cool air is replaced by warm air Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument for measuring intensity of earthquakes is called Ergograph Seismograph Pantagraph Ediograph Ergograph Seismograph Pantagraph Ediograph ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a freely falling body is an example of ________ motion. Uniformly accelerated Constant speed Constant velocity Non-uniformly accelerated Uniformly accelerated Constant speed Constant velocity Non-uniformly accelerated ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Interference Reflection Polarisation Diffraction Interference Reflection Polarisation Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f F (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of calorimetry Principle of thermal equilibrium Principle of vaporization Principle of colors Principle of calorimetry Principle of thermal equilibrium Principle of vaporization Principle of colors ANSWER DOWNLOAD EXAMIANS APP
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