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 Sound travels fastest in Air Water Vacuum Glass Air Water Vacuum Glass ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves cannot travel through Gas Liquid Vacuum Solid Gas Liquid Vacuum Solid ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to absorption of sunlight in minute water droplets ionisation of water deposits refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets absorption of sunlight in minute water droplets ionisation of water deposits refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly To make it rust-proof To make it more durable To make it smooth and frictionless To reduce heat loss by radiation To make it rust-proof To make it more durable To make it smooth and frictionless To reduce heat loss by radiation ANSWER DOWNLOAD EXAMIANS APP
Physics One can distinguish a telescope from a microscope by observing Size of the lens Length Length and size of the lens Colour Size of the lens Length Length and size of the lens Colour ANSWER DOWNLOAD EXAMIANS APP