NEET Physics: Mechanical Properties of Fluids — Free Practice Set 15 (10 MCQs)

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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.

0

Easy

10

Medium

0

Hard

Key concepts covered in this specific test include Sectional, Decreases, Pressure, Measured, Atmospheric, and Thickness.

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 pipe’s cross-sectional area decreases from \( 0.04 \, \text{m}^2 \) to \( 0.01 \, \text{m}^2 \). If the speed at the larger end is \( 2.5 \, \text{m/s} \), what is the speed at the smaller end?

A. 5 m/s
B. 7.5 m/s
C. 10 m/s
D. 12.5 m/s

Q2. A bubble of radius \( 3.5 \, \text{mm} \) is blown at \( 15 \, \text{cm} \) depth in water (\( \rho = 1000 \, \text{kg/m}^3 \), \( S = 0.0727 \, \text{N/m} \)). What is the total pressure inside? (Take \( P_a = 1.01 \times 10^5 \, \text{Pa} \), \( g = 9.8 \, \text{m/s}^2 \))

A. 1.01 × 10⁵ Pa
B. 1.02 × 10⁵ Pa
C. 1.025 × 10⁵ Pa
D. 1.03 × 10⁵ Pa

Q3. A soap bubble of radius \( 8 \, \text{mm} \) has a surface tension of \( 0.027 \, \text{N/m} \). What is the excess pressure inside?

A. 10 Pa
B. 13.5 Pa
C. 15 Pa
D. 20 Pa

Q4. The pressure at a depth of \( 3 \, \text{m} \) in ethyl alcohol (\( \rho = 806 \, \text{kg/m}^3 \)) is measured with atmospheric pressure as \( 1.01 \times 10^5 \, \text{Pa} \). What is the total pressure? (Take \( g = 10 \, \text{m/s}^2 \))

A. 1.15 × 10⁵ Pa
B. 1.20 × 10⁵ Pa
C. 1.25 × 10⁵ Pa
D. 1.30 × 10⁵ Pa

Q5. A \( 70 \, \text{kg} \) person stands on two bones, each with area \( 16 \, \text{cm}^2 \). What is the average pressure on the bones? (Take \( g = 9.8 \, \text{m/s}^2 \))

A. 1.9 × 10⁵ Pa
B. 2.0 × 10⁵ Pa
C. 2.14 × 10⁵ Pa
D. 2.3 × 10⁵ Pa

+ 5 more questions in the actual test

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NEET Physics — Mechanical Properties of Fluids

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Preview of Questions in this Test

Q1. A pipe’s cross-sectional area decreases from \( 0.04 \, \text{m}^2 \) to \( 0.01 \, \text{m}^2 \). If the speed at the larger end is \( 2.5 \, \text{m/s} \), what is the speed at the smaller end?

Q2. A bubble of radius \( 3.5 \, \text{mm} \) is blown at \( 15 \, \text{cm} \) depth in water (\( \rho = 1000 \, \text{kg/m}^3 \), \( S = 0.0727 \, \text{N/m} \)). What is the total pressure inside? (Take \( P_a = 1.01 \times 10^5 \, \text{Pa} \), \( g = 9.8 \, \text{m/s}^2 \))

Q3. A soap bubble of radius \( 8 \, \text{mm} \) has a surface tension of \( 0.027 \, \text{N/m} \). What is the excess pressure inside?

Q4. The pressure at a depth of \( 3 \, \text{m} \) in ethyl alcohol (\( \rho = 806 \, \text{kg/m}^3 \)) is measured with atmospheric pressure as \( 1.01 \times 10^5 \, \text{Pa} \). What is the total pressure? (Take \( g = 10 \, \text{m/s}^2 \))

Q5. A \( 70 \, \text{kg} \) person stands on two bones, each with area \( 16 \, \text{cm}^2 \). What is the average pressure on the bones? (Take \( g = 9.8 \, \text{m/s}^2 \))

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NEET Physics: Mechanical Properties of Fluids — MCQ Test 15

Q6. A metal plate of area \( 0.05 \, \text{m}^2 \) moves over a liquid film (\( \eta = 0.02 \, \text{Pa s} \)) of thickness \( 0.2 \, \text{mm} \) at \( 0.5 \, \text{m/s} \). What is the force required?

Q7. Water flows at \( 1.5 \, \text{m/s} \) at \( 2.5 \, \text{m} \) height with pressure \( 1.8 \times 10^5 \, \text{Pa} \). What is the pressure at \( 0.5 \, \text{m} \) height with speed \( 2.5 \, \text{m/s} \)? (\( \rho = 1000 \, \text{kg/m}^3 \), \( g = 10 \, \text{m/s}^2 \))

Q8. A soap film on a wire supports \( 1.2 \times 10^{-2} \, \text{N} \) over a \( 25 \, \text{cm} \) slider. What is the surface tension?

Q9. An aircraft (\( m = 4.0 \times 10^5 \, \text{kg} \), wing area \( 600 \, \text{m}^2 \)) flies level. What is the pressure difference across the wings? (Take \( g = 9.8 \, \text{m/s}^2 \))

Q10. Which statement is incorrect about hydrostatic pressure?

NEET Physics — Mechanical Properties of Fluids

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. A pipe’s cross-sectional area decreases from \( 0.04 \, \text{m}^2 \) to \( 0.01 \, \text{m}^2 \). If the speed at the larger end is \( 2.5 \, \text{m/s} \), what is the speed at the smaller end?

Q2. A bubble of radius \( 3.5 \, \text{mm} \) is blown at \( 15 \, \text{cm} \) depth in water (\( \rho = 1000 \, \text{kg/m}^3 \), \( S = 0.0727 \, \text{N/m} \)). What is the total pressure inside? (Take \( P_a = 1.01 \times 10^5 \, \text{Pa} \), \( g = 9.8 \, \text{m/s}^2 \))

Q3. A soap bubble of radius \( 8 \, \text{mm} \) has a surface tension of \( 0.027 \, \text{N/m} \). What is the excess pressure inside?

Q4. The pressure at a depth of \( 3 \, \text{m} \) in ethyl alcohol (\( \rho = 806 \, \text{kg/m}^3 \)) is measured with atmospheric pressure as \( 1.01 \times 10^5 \, \text{Pa} \). What is the total pressure? (Take \( g = 10 \, \text{m/s}^2 \))

Q5. A \( 70 \, \text{kg} \) person stands on two bones, each with area \( 16 \, \text{cm}^2 \). What is the average pressure on the bones? (Take \( g = 9.8 \, \text{m/s}^2 \))

Frequently Asked Questions

Is this practice set completely free?

Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

About TopperSquare

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Everything you need to crack NEET