NEET Physics: Mechanical Properties of Fluids — MCQ Test 13

Q6. Which of the following statements is correct about terminal velocity?

Q7. A hydraulic lift raises a \( 1600 \, \text{kg} \) load using a small piston of radius \( 4 \, \text{cm} \) and a large piston of radius \( 16 \, \text{cm} \). What force is applied on the small piston? (Take \( g = 10 \, \text{m/s}^2 \))

Q8. What ensures that a fluid at rest cannot sustain a shear stress?

Q9. Water (\( \rho = 1000 \, \text{kg/m}^3 \)) flows horizontally at \( 4 \, \text{m/s} \) with pressure \( 1.6 \times 10^5 \, \text{Pa} \). If the speed increases to \( 7 \, \text{m/s} \), what is the new pressure?

Q10. A manometer with mercury (\( \rho = 13.6 \times 10^3 \, \text{kg/m}^3 \)) shows a height difference of \( 0.25 \, \text{m} \). What is the pressure difference? (Take \( g = 9.8 \, \text{m/s}^2 \))

NEET PhysicsMechanical Properties of Fluids

Free MCQ Test 13 of 22

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Why does the pressure at the bottom of three differently shaped vessels connected at the base remain the same when filled with water to the same height?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Mechanical Properties of Fluids. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Pressure, Differently, Connected, Aircraft, Difference, and Glycerine.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Why does the pressure at the bottom of three differently shaped vessels connected at the base remain the same when filled with water to the same height?

  • A. Due to varying volumes of water
  • B. Because pressure depends only on depth
  • C. Due to surface tension effects
  • D. Because of different cross-sectional areas

Q2. An aircraft (\( m = 2.0 \times 10^5 \, \text{kg} \), wing area \( 400 \, \text{m}^2 \)) flies level. What is the pressure difference across the wings? (Take \( g = 9.8 \, \text{m/s}^2 \))

  • A. 4500 Pa
  • B. 4700 Pa
  • C. 4900 Pa
  • D. 5100 Pa

Q3. A soap bubble of radius \( 7 \, \text{mm} \) has a surface tension of \( 0.028 \, \text{N/m} \). What is the excess pressure inside?

  • A. 12 Pa
  • B. 16 Pa
  • C. 20 Pa
  • D. 24 Pa

Q4. A plate of area \( 0.08 \, \text{m}^2 \) moves at \( 0.8 \, \text{m/s} \) over a \( 0.7 \, \text{mm} \) thick glycerine film (\( \eta = 0.83 \, \text{Pa s} \)). What force is required?

  • A. 70 N
  • B. 75 N
  • C. 76 N
  • D. 80 N

Q5. A sphere of radius \( 0.04 \, \text{m} \) moves at \( 0.12 \, \text{m/s} \) through honey (\( \eta = 0.2 \, \text{Pa s} \)). What is the viscous drag force?

  • A. 0.15 N
  • B. 0.18 N
  • C. 0.20 N
  • D. 0.22 N

+ 5 more questions in the actual test

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