Physics Vehicles use ________ to see the objects coming from behind. Convex mirror Concave mirror Concave lens Convex lens Convex mirror Concave mirror Concave lens Convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes in automobile work on Bernoulli's principle Pascal's principle Poiseuille's principle Archimedes' principle Bernoulli's principle Pascal's principle Poiseuille's principle Archimedes' principle ANSWER DOWNLOAD EXAMIANS APP
Physics Pressure Cooker cooks faster because It cooks the food at low pressure Higher temperature is attained for cooking Boiling point decreases with rise of pressure The material of the cooker is a good conductor It cooks the food at low pressure Higher temperature is attained for cooking Boiling point decreases with rise of pressure The material of the cooker is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat Plastics have a higher thermal conductivity than metals Plastics have a lower density than metals Metals have higher thermal capacity than plastics Metals are good conductors of heat ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river what will be the effect? It lowers It jolts It sways It rises a little It lowers It jolts It sways It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is Js2 Js–2 Js J/s Js2 Js–2 Js J/s ANSWER DOWNLOAD EXAMIANS APP