Physics The number of waves per second in a sound is called ________ of that sound. Displacement Acceleration Velocity Frequency Displacement Acceleration Velocity Frequency ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics Super cooling stands for cooling of a liquid : Above melting point At melting point Below freezing point At freezing point Above melting point At melting point Below freezing point At freezing point ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Plano-concave lens Convex lens Cylindrical lens Concave lens Plano-concave lens Convex lens Cylindrical lens Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f F (4/3)f ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is a device which Creates electrical energy Creates mechanical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy Creates electrical energy Creates mechanical energy Converts electrical energy into mechanical energy Converts mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
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