Physics Which best describes how air moves during convection? Air always falls down Cool air falls down Warm air falls down Cool air is replaced by warm air Air always falls down Cool air falls down Warm air falls down Cool air is replaced by warm air ANSWER DOWNLOAD EXAMIANS APP
Physics Mist is caused by Water vapour at low temperature Ice at low temperature Dry ice Carbon-monoxide in solid form Water vapour at low temperature Ice at low temperature Dry ice Carbon-monoxide in solid form ANSWER DOWNLOAD EXAMIANS APP
Physics The work done by the string of a simple pendulum during one complete oscillation is equal to Total energy of the pendulum Zero Kinetic energy of the pendulum Potential energy of the pendulum Total energy of the pendulum Zero Kinetic energy of the pendulum Potential energy of the pendulum ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of Flint glass Pyrex glass Ordinary glass Cobalt glass Flint glass Pyrex glass Ordinary glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 10 J 20 J 25 J 40 J 10 J 20 J 25 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics The surface tension of water on adding detergent to it Becomes zero No change Decreases Increases Becomes zero No change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP