Physics Lakes freeze in cold countries in winter, leaving the water underneath at 0°F 4°F 0°C 4°C 0°F 4°F 0°C 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Physics If cream is removed from milk, its density Decreases Remains the same May increase or decrease Increases Decreases Remains the same May increase or decrease Increases ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of sound is maximum in which among the following? Vaccum Gases Solids Liquids Vaccum Gases Solids Liquids ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train the train may not fly off in the opposite direction ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a valid conservation law of classical physics? Law of conservation of angular momentum Law of conservation of energy Law of conservation of current Law of conservation of charge Law of conservation of angular momentum Law of conservation of energy Law of conservation of current Law of conservation of charge ANSWER DOWNLOAD EXAMIANS APP
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