Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? 11.25 diopters -11.25 diopters 3.75 diopters -3.75 diopters 11.25 diopters -11.25 diopters 3.75 diopters -3.75 diopters 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? Sphere Circular plate All will cool at the same rate Cube Sphere Circular plate All will cool at the same rate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics Even after sunset, the air near the Earth's surface continue to receive heat due to Insolation Conduction Convection Terrestrial Radiation Insolation Conduction Convection Terrestrial Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Carbon Arc lamps are commonly used in Cinema projectors Photography Vehicles Domestic lighting Cinema projectors Photography Vehicles Domestic lighting ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature at which water boils depends mainly on Specific heat Relative humidity Density Air Pressure Specific heat Relative humidity Density Air Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Cylindrical lens Convex lens Concave lens Plano-concave lens Cylindrical lens Convex lens Concave lens Plano-concave lens ANSWER DOWNLOAD EXAMIANS APP
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