Mechanical Physics - Study Mode
[#21] Which of the following statements is not true regarding the effect of increasing temperature on the distribution of molecular motion in a gas-
Correct Answer
(B) The fraction of molecules increases with the maximum possible speed
[#22] Consider the following statements. The rise of a liquid in a capillary tube depends on 1. The surface tension of liquid 2. The length 3. The outer radius 4. The inner radius of the tube Which of the following statements is/are true?
Correct Answer
(A) 1, 2 and 4
[#23] While travelling by plane, the ink of the pen starts to come out
Correct Answer
(A) Due to decrease in air pressure
[#24] Assertion (A) Pascal law is the working principle of a hydraulic lift. Reason (R) Pressure is equal to thrust per unit area.
Correct Answer
(B) Both A and R are true, but R is not the correct explanation of A
[#25] When pressure is applied to a fluid, the pressure change is transmitted to every part of the fluid without any loss. Which of the following laws explains this phenomenon?
Correct Answer
(D) Pascal's Law