Physics Which best describes how air moves during convection? Warm air falls down Air always falls down Cool air falls down Cool air is replaced by warm air Warm air falls down Air always falls down Cool air falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Ordinary glass Cobalt glass Flint glass Pyrex glass Ordinary glass Cobalt glass Flint glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP
Physics The ''four stroke petrol engine' is based on Diesel-cycle Boyle's-cycle Carnot-cycle Otto-cycle Diesel-cycle Boyle's-cycle Carnot-cycle Otto-cycle ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar heater Solar cooker Battery Solar cell panel Solar heater Solar cooker Battery Solar cell panel ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because specific heat of mercury is less than water density of mercury is more than the water specific heat of mercury is more than water mercury has greater visibility than water specific heat of mercury is less than water density of mercury is more than the water specific heat of mercury is more than water mercury has greater visibility than water ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted upward or downward depending on the density of the liquid Shifed neither upward nor downward Shifted downwards Shifted upwards Shifted upward or downward depending on the density of the liquid Shifed neither upward nor downward Shifted downwards Shifted upwards ANSWER DOWNLOAD EXAMIANS APP
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