Physics Which best describes how air moves during convection? Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down Cool air falls down Cool air is replaced by warm air Air always falls down Warm air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics Which term is not associated with sound wave? Candela Hertz Mach Decibel Candela Hertz Mach Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is Infinity 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s Infinity 3 × 108 m/s 3 × 10–8 m/s 8 × 103 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 0 J 100 J 200 J 400 J 0 J 100 J 200 J 400 J ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a part of a CRT ? Phosphor screen Electron gun Gas plasma Shadow mask Phosphor screen Electron gun Gas plasma Shadow mask ANSWER DOWNLOAD EXAMIANS APP
Physics The wave of theory of light is based on The laws of refraction The laws of reflection Huyghens' principle The inverse square law The laws of refraction The laws of reflection Huyghens' principle The inverse square law ANSWER DOWNLOAD EXAMIANS APP
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