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? Circular plate Sphere All will cool at the same rate Cube Circular plate Sphere All will cool at the same rate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics An aircraft can perform aerobatic manoeuvres in a vertical loop because of Centripetal force Weight Centrifugal force Gravity Centripetal force Weight Centrifugal force Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicle tyres are inflated properly To avoid skidding and to minimise friction To go fast and save fuel. To allow the vehicle to take more load. To ensure smooth running. To avoid skidding and to minimise friction To go fast and save fuel. To allow the vehicle to take more load. To ensure smooth running. ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Boron Phosphorus Germanium Antimony Boron Phosphorus Germanium Antimony ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Conduct electricity at low temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current Conduct electricity at high temperature Conduct electricity at low temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current Conduct electricity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics The recoiling of gun is an example of which of the following? Law of Conservation of Angular Momentum Law of Conservation of Linear Momentum Conversion of Kinetic Energy to Potential Energy Law of Conservation of Energy Law of Conservation of Angular Momentum Law of Conservation of Linear Momentum Conversion of Kinetic Energy to Potential Energy Law of Conservation of Energy ANSWER DOWNLOAD EXAMIANS APP