Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect Adiabatic demagnetisation Super conductivity Joule-Kelvin effect Thermo-electric effect ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following is the fundamental quantity ? Volume Time Velocity Force Volume Time Velocity Force ANSWER DOWNLOAD EXAMIANS APP
Physics In beta decay what is emitted Neutron Proton Electron All of these Neutron Proton Electron All of these ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is Changing continuously 30 days 365 days 24 hours Changing continuously 30 days 365 days 24 hours ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed No frictional force may be produced between the wheels and the axle His weight may be reduced ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will Decrease Remains the same Increase First decrease and then increase Decrease Remains the same Increase First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
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