Physics Which best describes how air moves during convection? 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 Cool air falls down Warm air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics An object that has kinetic energy must be Falling At an elevated position Moving At rest Falling At an elevated position Moving At rest ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Ultrasound scans Endoscopy X-ray photos CAT scans Ultrasound scans Endoscopy X-ray photos CAT scans ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves volatility of oil capillary action phenomenon the diffusion of oil through the wick the liquid state of oil volatility of oil capillary action phenomenon the diffusion of oil through the wick the liquid state of oil ANSWER DOWNLOAD EXAMIANS APP
Physics Which electromagnetic radiation is used for satellite communication ? Radiowave Ultraviolet Infrared Millimeter wave Radiowave Ultraviolet Infrared Millimeter wave ANSWER DOWNLOAD EXAMIANS APP
Physics When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force? 3.33 N 5.33 N 6.33 N 4.33 N 3.33 N 5.33 N 6.33 N 4.33 N ANSWER DOWNLOAD EXAMIANS APP
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