Physics Vehicles use ________ to see the objects coming from behind. Convex lens Convex mirror Concave lens Concave mirror Convex lens Convex mirror Concave lens Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Cube Sphere All will cool at the same rate Circular plate Cube Sphere All will cool at the same rate Circular plate ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Remain straight Bend towards left None of these Bend towards right Remain straight Bend towards left None of these Bend towards right ANSWER DOWNLOAD EXAMIANS APP
Physics The metal whose electrical conductivity is more, is Copper Silver Lead Aluminium Copper Silver Lead Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following has the highest value of specific heat? Glass Lead Copper Water Glass Lead Copper Water ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Ultrasonic wave Audible wave Infrasonic wave Microwave Ultrasonic wave Audible wave Infrasonic wave Microwave ANSWER DOWNLOAD EXAMIANS APP