Physics Electric Motor converts ________ energy to mechanical energy Chemical Electrical Sound Mechanical Chemical Electrical Sound Mechanical ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Thermo-electric effect Super conductivity Joule-Kelvin effect Adiabatic demagnetisation Thermo-electric effect Super conductivity Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Convex Plano-concave None of these Concave Convex Plano-concave None of these Concave ANSWER DOWNLOAD EXAMIANS APP
Physics The quantity that is not conserved in an inelastic collision is Kinetic Energy All of these Momentum Total Energy Kinetic Energy All of these Momentum Total Energy ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has Less pressure than dry air. More pressure than dry air. Less density than dry air. More density than dry air. Less pressure than dry air. More pressure than dry air. Less density than dry air. More density than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Copernicus Johannes Kepler Galileo Martin Luther Copernicus Johannes Kepler Galileo Martin Luther ANSWER DOWNLOAD EXAMIANS APP
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