Punjab 11th Class Physics Chapter 6 Fluid Dynamics Mcqs Test Online
Questions 12
Total Marks 24
Time 12 Mins
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Punjab 11th Class Physics Chapter 6 Fluid Dynamics Mcqs Test Online

Start your preparation for Punjab 11th Class Physics Chapter 6 Fluid Dynamics Mcqs Test Online. This online test contains 12 MCQs and you have 12 Minutes to complete it. The total marks for this test are 24. This test is valid for students of All Punjab Boards (Lahore, Gujranwala, Multan, etc.) following the PCTB Syllabus. Read the questions carefully and select the correct option below to see your result.

Physics Chapter 6 Fluid Dynamics Mcqs Test Online Punjab 11th Class

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Question 1 of 12

Physics

1. A person standing near the track of a fast moving train has tendency to fall towards it because of:

Question 1 of 12

Question 2 of 12

2. In a test experiment on a model airplane in a wind tunnel. The flow speeds on the lower and upper surface of the wings are ‘v’ and √2v respectively. If the density of air is ‘r’ and the surface area of the wing is given.

Question 2 of 12

Question 3 of 12

3. Two capillary tubes A and B of equal radii ra=rb=r and equal length la=lb=l are held horizontally. When the same pressure difference P is maintained across each tube, the rate of flow of water in each is Q. If the tubes are connected series and the same pressure difference P is maintained across the combination, the rate of flow through the combination will be

Question 3 of 12

Question 4 of 12

4. Eight spherical rain drops of same mass and radius are falling down with a terminal velocity of 6 cm s⁻¹. If they coalesce to form on big drop, what will be its terminal speed? Neglect the buoyancy due to air.

Question 4 of 12

Question 5 of 12

5. A rectangular tank is filled completely with water. When a hole at its bottom is unplugged, the tank is emptied in time T. If the tank is half filled with water, it will be emptied in time.

Question 5 of 12

Question 6 of 12

6. According to Stoke’s law, drag force depends on

Question 6 of 12

Question 7 of 12

7. With increase of temperature viscosity

Question 7 of 12

Question 8 of 12

8. The smooth or steady steam – line flow is known as”


Question 8 of 12

Question 9 of 12

9. A rain drop of radius ‘r’ falls in air with a terminal speed vt. What is the terminal speed of a rain drop of radius 2r?

Question 9 of 12

Question 10 of 12

10. Water flows steadily through a horizontal pipe of a variable cross-section. If the pressure at another point where the velocity of fluid flow is 2v₁ consider ‘p’ as density of water.

Question 10 of 12

Question 11 of 12

11. The cylinder tube of a spray pump has a radius R, one end of which has ‘n’ number of fine uniform holes, each of radius ‘r’. If the speed of flow of the fluid in the tube is v₁, the speed of ejection of the liquid through the holes id

Question 11 of 12

Question 12 of 12

12. A 3m tall cylinder, full of water, has four identical small holes at height 2.1m, 2.3m and 2.4 meter. The speed of efflux is maximum from

Question 12 of 12


 

Guide for Punjab Board Students

Students of BISE Lahore, Gujranwala, Multan, and other Punjab boards must follow the SLO based pattern.

Top Scoring Tips for Punjab:

  • Textbook Reading: The paper is 100% derived from PCTB books. Do not rely only on keybooks.
  • Objective Paper (20%): Practice these online MCQs repeatedly as they are taken from 5-Year Past Papers.
  • Bubble Sheet: Ensure you know how to fill the OMR sheet correctly.

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