Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards left Remain straight Bend towards right None of these Bend towards left Remain straight Bend towards right None of these ANSWER DOWNLOAD EXAMIANS APP
Physics When a steel ball is placed on the surface of mercury, it does not sink because Of the high viscosity of mercury Mercury is a semisolid Of the surface tension of mercury The density of mercury is greater than that of steel Of the high viscosity of mercury Mercury is a semisolid Of the surface tension of mercury The density of mercury is greater than that of steel ANSWER DOWNLOAD EXAMIANS APP
Physics The magnitude of buoyant force depends on the ________ of the fluid. Density Temperature Mass Volume Density Temperature Mass Volume ANSWER DOWNLOAD EXAMIANS APP
Physics The spring constant of a spring depends on its Length only Material only Thickness, its diameter and its material Length and its diameter Length only Material only Thickness, its diameter and its material Length and its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics "God Particle" is Neutrino Positron Meson Higgs Boson Neutrino Positron Meson Higgs Boson ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
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