Question 1. For a steel boat floating on a lake, the weight of the water displaced by the boat is

Question 2. When a solid object is immersed in water, then there is a loss in its weight. This loss is

Question 3. Specific gravity of silver is 11 and specific gravity of iron is 8. Which one among the following is the approximate relative density of silver with respect to iron?

Question 4. Suppose, we have an iron nail and an iron ball of same mass. When submerged in water, then the iron ball may float but the nail always sinks. This is because

Question 5. Bernoulli’s principle is based on which of among the following laws?

Question 6. Kerosene oil rises in a wick of lantern because of

Question 7. The densities of three liquids are D, 2D and 3D. What will be the density of the resulting mixture, if equal volumes of the three liquids are mixed?

Question 8. A deep sea diver may hurt his ear drum during diving because of

Question 9. Which one of the following statements is not correct?

Question 10. Which one of the following is not a result of surface tension?