Physics Vehicle tyres are inflated properly To avoid skidding and to minimise friction To allow the vehicle to take more load. To go fast and save fuel. To ensure smooth running. To avoid skidding and to minimise friction To allow the vehicle to take more load. To go fast and save fuel. To ensure smooth running. ANSWER DOWNLOAD EXAMIANS APP
Physics The energy that generates wind comes from what source? Solar radiation None of these Anemometers Ocean currents Solar radiation None of these Anemometers Ocean currents ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless To make it more durable To reduce heat loss by radiation To make it rust-proof To make it smooth and frictionless ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not change with the change of Pressure of air Moisture content in air Temperature of air Wind in the direction of propagation of sound Pressure of air Moisture content in air Temperature of air Wind in the direction of propagation of sound ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic wires made from copper have same length but the radius of wire 1 is half of that of wire 2. The resistance of wire 1 is R. If both the wires are joined together in series, the total resistance becomes 2R 3R/4 5R/4 R/2 2R 3R/4 5R/4 R/2 ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant Avoid the tracks being distorted due to seasonal temperature variation Control the speed of train Avoid the heating of tracks to high temperature Keep the rails equidistant ANSWER DOWNLOAD EXAMIANS APP
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