Physics Pipelines in cold countries often burst in winter, because Pipelines expand due to freezing Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water Pipelines expand due to freezing Pipelines contract in their volume Water freezes and expands in its volume Temperature of ice is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics The magnitude of buoyant force depends on the ________ of the fluid. Density Volume Mass Temperature Density Volume Mass Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not a property of heavy water ? Boiling point of heavy water is lower than that or ordinary water Density of heavy water is higher than that of ordinary water Freezing point of heavy water is higher than that of ordinary water It produces corrosion Boiling point of heavy water is lower than that or ordinary water Density of heavy water is higher than that of ordinary water Freezing point of heavy water is higher than that of ordinary water It produces corrosion ANSWER DOWNLOAD EXAMIANS APP
Physics Should cars have bumpers that collapse under impact? Yes, since they help to absorb the impact of a collision and keep the occupants safe No, since the colliding car would then ram into the occupants and kill them No, since it would be very expensive to get the car repaired Yes, since the offending car should get damaged and pay for the mistake Yes, since they help to absorb the impact of a collision and keep the occupants safe No, since the colliding car would then ram into the occupants and kill them No, since it would be very expensive to get the car repaired Yes, since the offending car should get damaged and pay for the mistake ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes Both the mass number and the atomic number of the nucleus change Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change The mass number of the nucleus does not change whereas its atomic number changes Both the mass number and the atomic number of the nucleus change Neither the mass number nor the atomic number of the nucleus changes ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS