Physics Which of the following principle is used to produce ''low-temperatures' ? Joule-Kelvin effect Super conductivity Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect Super conductivity Thermo-electric effect Adiabatic demagnetisation ANSWER DOWNLOAD EXAMIANS APP
Physics A wave with high amplitude have High pitch Low pitch Low energy High energy High pitch Low pitch Low energy High energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which conservation principle is applicable in the case of the motion of a rocket? Conservation of mass Conservation of momentum Conservation of energy Conservation of charge Conservation of mass Conservation of momentum Conservation of energy Conservation of charge ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Work input > work output These make work easier None of these Both A & B Work input > work output These make work easier None of these Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics A capillary tube is partially dipped vertically in a vessel containing water. Due to capillarity water rises in the tube. The height of water rise in the tube can be increased by Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube Decreasing the radius of the capillary tube Increasing the height of water in the vessel None of these Increasing the radius of the capillary tube ANSWER DOWNLOAD EXAMIANS APP
Physics A galvanometer can be converted to a voltmeter by connecting A low resistance in parallel A high resistance in parallel A low resistance in series A high resistance in series A low resistance in parallel A high resistance in parallel A low resistance in series A high resistance in series ANSWER DOWNLOAD EXAMIANS APP
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