NEET Physics: Mechanical Properties of Fluids — MCQ Test 16

Q6. A \( 45 \, \text{kg} \) person stands on two bones, each with area \( 18 \, \text{cm}^2 \). What is the average pressure on the bones? (Take \( g = 9.8 \, \text{m/s}^2 \))

Q7. A spray tube (\( 5 \, \text{cm}^2 \)) has 25 holes of diameter \( 1.3 \, \text{mm} \). If the flow speed is \( 2.7 \, \text{m/min} \), what is the ejection speed?

Q8. A plate of area \( 0.09 \, \text{m}^2 \) moves at \( 0.5 \, \text{m/s} \) over a \( 0.6 \, \text{mm} \) thick machine oil film (\( \eta = 0.113 \, \text{Pa s} \)). What force is required?

Q9. What is the gauge pressure at a depth of \( 2.7 \, \text{m} \) in mercury (\( \rho = 13.6 \times 10^3 \, \text{kg/m}^3 \))? (Take \( g = 9.8 \, \text{m/s}^2 \))

Q10. A hydraulic lift raises a \( 2100 \, \text{kg} \) load using a small piston of radius \( 3.0 \, \text{cm} \) and a large piston of radius \( 12 \, \text{cm} \). What force is applied on the small piston? (Take \( g = 9.8 \, \text{m/s}^2 \))

NEET Physics — Mechanical Properties of Fluids

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A spray tube (\( 9 \, \text{cm}^2 \)) has 45 holes of diameter \( 0.6 \, \text{mm} \). If the flow speed is \( 2.0 \, \text{m/min} \), what is the ejection speed?

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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 Diameter, Ejection, Pressure, Following, Statements, and Supports.

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. A spray tube (\( 9 \, \text{cm}^2 \)) has 45 holes of diameter \( 0.6 \, \text{mm} \). If the flow speed is \( 2.0 \, \text{m/min} \), what is the ejection speed?

  • A. 1.8 m/s
  • B. 2.0 m/s
  • C. 2.4 m/s
  • D. 2.8 m/s

Q2. What is the excess pressure inside a water drop of radius \( 2.5 \, \text{mm} \) at \( 100^\circ \text{C} \)? (Surface tension = \( 0.3 \times 10^{-3} \, \text{N/m} \))

  • A. 0.20 Pa
  • B. 0.24 Pa
  • C. 0.28 Pa
  • D. 0.32 Pa

Q3. Which of the following statements is correct about pressure in a fluid at rest?

  • A. It acts only downward
  • B. It depends on the shape of the container
  • C. It acts equally in all directions
  • D. It is independent of depth

Q4. A soap film supports \( 2.8 \times 10^{-2} \, \text{N} \) over a \( 56 \, \text{cm} \) slider. What is the surface tension?

  • A. 0.020 N/m
  • B. 0.022 N/m
  • C. 0.025 N/m
  • D. 0.028 N/m

Q5. What is the total pressure at a depth of \( 3.2 \, \text{m} \) in water (\( \rho = 1000 \, \text{kg/m}^3 \)) with atmospheric pressure \( 1.01 \times 10^5 \, \text{Pa} \)? (Take \( g = 9.8 \, \text{m/s}^2 \))

  • A. 1.30 × 10⁵ Pa
  • B. 1.32 × 10⁵ Pa
  • C. 1.35 × 10⁵ Pa
  • D. 1.38 × 10⁵ Pa

+ 5 more questions in the actual test

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