Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics For an ideal gas, which one of the following statements does not hold true? The kinetic energies of all gas molecules are not same The potential energy of the gas molecules is zero There is no interactive force between the molecules. The speed of all gas molecules is same The kinetic energies of all gas molecules are not same The potential energy of the gas molecules is zero There is no interactive force between the molecules. The speed of all gas molecules is same ANSWER DOWNLOAD EXAMIANS APP
Physics Propagation of sound can be visualised as propagation of ________ variations in the medium Porosity Density Viscosity Elasticity Porosity Density Viscosity Elasticity ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted downwards Shifted upwards Shifted upward or downward depending on the density of the liquid Shifed neither upward nor downward Shifted downwards Shifted upwards Shifted upward or downward depending on the density of the liquid Shifed neither upward nor downward ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not an aerosol? Fog Mud Dust Smoke Fog Mud Dust Smoke ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction the full weight of the barrel comes into play when it is pulled more surface area of the barrel is in contact with the road when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled ANSWER DOWNLOAD EXAMIANS APP
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