Physics When a detergent is added to pure water, its surface tension Decreases Remains constant Becomes infinite Increases Decreases Remains constant Becomes infinite Increases ANSWER DOWNLOAD EXAMIANS APP
Physics For accurate scientific work, temperatures are often measured by Mercury thermometers Alcohol thermometers Platinum resistance thermometers Thermoelectric thermometers Mercury thermometers Alcohol thermometers Platinum resistance thermometers Thermoelectric thermometers ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following produces more severe burns ? Hot water Melting iceberg Steam Boiling water Hot water Melting iceberg Steam Boiling water ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection I, II and III II and III I and II I and III I, II and III II and III I and II I and III ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The moon is cooler than earth The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon is cooler than earth The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Rectifier Ammeter Galvanometer Transformer Rectifier Ammeter Galvanometer Transformer ANSWER DOWNLOAD EXAMIANS APP