Physics Soap bubble attains spherical shape due to ________ Pressure Inertia Viscosity Surface tension Pressure Inertia Viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics The base of an electric iron is brightly polished mainly 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 To make it rust-proof To make it more durable ANSWER DOWNLOAD EXAMIANS APP
Physics At the center of the sun, fusion converts hydrogen into Helium Plutonium Water Carbon Helium Plutonium Water Carbon ANSWER DOWNLOAD EXAMIANS APP
Physics Copper wires are generally used for electrical power transmission instead of iron wire because : Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron Copper is a better conductor of electricity than iron Copper can take higher power than iron Copper is lighter than iron Copper is cheaper than iron ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The aperture Size of the camera The focal length of the lens The exposure time The aperture Size of the camera The focal length of the lens The exposure time ANSWER DOWNLOAD EXAMIANS APP
Physics The refractive index of a transparent medium is maximum for Red light Yellow light Green light Violet light Red light Yellow light Green light Violet light ANSWER DOWNLOAD EXAMIANS APP