Mechanical Physics - Study Mode
[#96] A liquid does not wet the sides of a solid, if the angle of contact is
Correct Answer
(B) obtuse (more than 90)
[#97] Consider the following statement. If there were no phenomenon of capillarity. 1. It would be difficult to use a kerosene lamp then. 2. One would not be able to use a straw to consume a soft drink. 3. The blotting paper would fail to function. 4. The big trees that we see around would not have grown on the Earth. Which of the following statements given above are correct?
Correct Answer
(B) Only 1, 3 and 4
[#98] A tank, filled partially with a liquid, is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?
Correct Answer
(A) The surface of the fluid falls in the direction of motion and rises towards the back of the tank
[#99] It is easy to burst a gas-filled balloon with a needle than with a nail. It is because
Correct Answer
(C) needle exerts more pressure than nail on the balloon
[#100] If by applying a force, the shape of a body is changed, then the corresponding stress is
Correct Answer
(C) shearing stress