Physics Which of the following is a conductor of electricity ? Rubber Pure water Salt water Benzene Rubber Pure water Salt water Benzene ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following represents a relation for ''heat lost = heat gained'? Principle of vaporization Principle of colors Principle of thermal equilibrium Principle of calorimetry Principle of vaporization Principle of colors Principle of thermal equilibrium Principle of calorimetry ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. Both A & B None of these The wavelength of the electrons must be close to the diameter of the object The wavelength of the electrons must be greater than the diameter of the object. Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases No change Increases Decreases First increases and than decreases No change Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid cools The liquid evaporates The liquid boils No change The liquid cools The liquid evaporates The liquid boils No change ANSWER DOWNLOAD EXAMIANS APP
Physics Water drops cannot stick to the oily surface due to Water is lighter than oil Cannot mix each other Surface tension Lack of adhesive force Water is lighter than oil Cannot mix each other Surface tension Lack of adhesive force ANSWER DOWNLOAD EXAMIANS APP