Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Unchanged Increases Depends upon the metal Decreases Unchanged Increases Depends upon the metal Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To increase friction To convert static friction into kinetic friction Just for convenience To convert kinetic friction into rolling friction To increase friction To convert static friction into kinetic friction Just for convenience To convert kinetic friction into rolling friction ANSWER DOWNLOAD EXAMIANS APP
Physics Parsec is the unit of Time Intensity of light Distance Magnetic line Time Intensity of light Distance Magnetic line ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Driving a car to cover a distance Rowing a boat in the lake Paddling the bicycle to cover a distance Wind mill grinding wheat grain Driving a car to cover a distance Rowing a boat in the lake Paddling the bicycle to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator, the cooling system should always be Can be anywhere At the bottom At the top At the middle Can be anywhere At the bottom At the top At the middle ANSWER DOWNLOAD EXAMIANS APP
Physics The rice is cooked more quickly in a pressure cooker because None of these Water boils at a higher temperature under pressure. Less quantity of water is used. It is covered. None of these Water boils at a higher temperature under pressure. Less quantity of water is used. It is covered. ANSWER DOWNLOAD EXAMIANS APP
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