Physics In a refrigerator what produces the cooling ? None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas None of these The evaporation of a volatile liquid The ice which deposits on the freezer The sudden expansion of a compressed gas ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Decreases Depends on the impurities in the ice Increases Does not change Decreases Depends on the impurities in the ice Increases Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics When a running car stops suddenly, the passengers tends to lean forward because of: Centrifugal force Gravitational force Inertia of motion Inertia of rest Centrifugal force Gravitational force Inertia of motion Inertia of rest ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of thermal equilibrium Principle of vaporization Principle of colors Principle of calorimetry Principle of thermal equilibrium Principle of vaporization Principle of colors Principle of calorimetry ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Constant speed Varying acceleration Constant acceleration Constant velocity Constant speed Varying acceleration Constant acceleration Constant velocity ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is a magnifying glass? Spherical Achromatic Diverging Converging Spherical Achromatic Diverging Converging ANSWER DOWNLOAD EXAMIANS APP