Physics Heat from the Sun reaches the Earth by Conduction Convection Reflection Radiation Conduction Convection Reflection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Dynamo Rectifier Oscillator Transformer Dynamo Rectifier Oscillator Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics A needle or a pin floats on the surface of water because of Surface tension Surface energy Adhesive force Viscosity Surface tension Surface energy Adhesive force Viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Velocity of sound in air does not depend on Density of air Humidity of air Pressure of air Temperature of air Density of air Humidity of air Pressure of air Temperature of air ANSWER DOWNLOAD EXAMIANS APP
Physics Oil raise up the wick in a lamp. The principle involves volatility of oil capillary action phenomenon the diffusion of oil through the wick the liquid state of oil volatility of oil capillary action phenomenon the diffusion of oil through the wick the liquid state of oil ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms erect (upright) image It forms real image It forms smaller image as compared with object All of these It forms erect (upright) image It forms real image It forms smaller image as compared with object All of these ANSWER DOWNLOAD EXAMIANS APP