NEET Physics: Mechanical Properties of Fluids — Free Practice Set 14 (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 Pressure, Atmosphere, Seawater, Atmospheric, Horizontally, and Increases.

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 bubble of radius \( 2.5 \, \text{mm} \) is blown at \( 20 \, \text{cm} \) 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. 1.02 × 10⁵ Pa
B. 1.03 × 10⁵ Pa
C. 1.04 × 10⁵ Pa
D. 1.05 × 10⁵ Pa

Q2. A tank has a hole \( 1.5 \, \text{m} \) below the water surface, open to the atmosphere. What is the efflux speed? (Take \( g = 10 \, \text{m/s}^2 \))

A. 4.5 m/s
B. 5.0 m/s
C. 5.5 m/s
D. 6.0 m/s

Q3. What is the excess pressure inside a mercury drop of radius \( 1.5 \, \text{mm} \) at \( 20^\circ \text{C} \)? (Surface tension = \( 0.4355 \, \text{N/m} \))

A. 550 Pa
B. 580 Pa
C. 600 Pa
D. 620 Pa

Q4. Water flows at \( 2.3 \, \text{m/s} \) at \( 3.5 \, \text{m} \) height with pressure \( 1.6 \times 10^5 \, \text{Pa} \). What is the pressure at \( 1.5 \, \text{m} \) height with speed \( 3.2 \, \text{m/s} \)? (\( \rho = 1000 \, \text{kg/m}^3 \), \( g = 9.8 \, \text{m/s}^2 \))

A. 1.75 × 10⁵ Pa
B. 1.77 × 10⁵ Pa
C. 1.80 × 10⁵ Pa
D. 1.85 × 10⁵ Pa

Q5. What is the total pressure at a depth of \( 4 \, \text{m} \) in seawater (\( \rho = 1.03 \times 10^3 \, \text{kg/m}^3 \)) if atmospheric pressure is \( 1.01 \times 10^5 \, \text{Pa} \)? (Take \( g = 9.8 \, \text{m/s}^2 \))

A. 1.41 × 10⁵ Pa
B. 1.35 × 10⁵ Pa
C. 1.45 × 10⁵ Pa
D. 1.50 × 10⁵ Pa

+ 5 more questions in the actual test

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Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

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Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

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NEET Physics — Mechanical Properties of Fluids

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Preview of Questions in this Test

Q1. A bubble of radius \( 2.5 \, \text{mm} \) is blown at \( 20 \, \text{cm} \) depth in water (\( \rho = 1000 \, \text{kg/m}^3 \), \( S = 0.0727 \, \text{N/m} \)). What is the total pressure inside? (Take \( P_a = 1.01 \times 10^5 \, \text{Pa} \), \( g = 9.8 \, \text{m/s}^2 \))

Q2. A tank has a hole \( 1.5 \, \text{m} \) below the water surface, open to the atmosphere. What is the efflux speed? (Take \( g = 10 \, \text{m/s}^2 \))

Q3. What is the excess pressure inside a mercury drop of radius \( 1.5 \, \text{mm} \) at \( 20^\circ \text{C} \)? (Surface tension = \( 0.4355 \, \text{N/m} \))

Q4. Water flows at \( 2.3 \, \text{m/s} \) at \( 3.5 \, \text{m} \) height with pressure \( 1.6 \times 10^5 \, \text{Pa} \). What is the pressure at \( 1.5 \, \text{m} \) height with speed \( 3.2 \, \text{m/s} \)? (\( \rho = 1000 \, \text{kg/m}^3 \), \( g = 9.8 \, \text{m/s}^2 \))

Q5. What is the total pressure at a depth of \( 4 \, \text{m} \) in seawater (\( \rho = 1.03 \times 10^3 \, \text{kg/m}^3 \)) if atmospheric pressure is \( 1.01 \times 10^5 \, \text{Pa} \)? (Take \( g = 9.8 \, \text{m/s}^2 \))

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NEET Physics: Mechanical Properties of Fluids — MCQ Test 14

Q6. Water (\( \rho = 1000 \, \text{kg/m}^3 \)) flows horizontally at \( 5.0 \, \text{m/s} \) with pressure \( 2.1 \times 10^5 \, \text{Pa} \). If the speed increases to \( 7.5 \, \text{m/s} \), what is the new pressure?

Q7. Why does a liquid’s surface behave like a stretched membrane?

Q8. Why does the pressure exerted by a fluid increase with depth?

Q9. What is the gauge pressure at a depth of \( 1.9 \, \text{m} \) in ethyl alcohol (\( \rho = 806 \, \text{kg/m}^3 \))? (Take \( g = 10 \, \text{m/s}^2 \))

Q10. Why does a mercury barometer use mercury instead of water?

NEET Physics — Mechanical Properties of Fluids

Accelerate Your NEET Preparation

Question Bank

Practice Tests

NEET PYQs

AI Analytics

About this NEET MCQ Test

Preview of Questions in this Test

Q1. A bubble of radius \( 2.5 \, \text{mm} \) is blown at \( 20 \, \text{cm} \) depth in water (\( \rho = 1000 \, \text{kg/m}^3 \), \( S = 0.0727 \, \text{N/m} \)). What is the total pressure inside? (Take \( P_a = 1.01 \times 10^5 \, \text{Pa} \), \( g = 9.8 \, \text{m/s}^2 \))

Q2. A tank has a hole \( 1.5 \, \text{m} \) below the water surface, open to the atmosphere. What is the efflux speed? (Take \( g = 10 \, \text{m/s}^2 \))

Q3. What is the excess pressure inside a mercury drop of radius \( 1.5 \, \text{mm} \) at \( 20^\circ \text{C} \)? (Surface tension = \( 0.4355 \, \text{N/m} \))

Q4. Water flows at \( 2.3 \, \text{m/s} \) at \( 3.5 \, \text{m} \) height with pressure \( 1.6 \times 10^5 \, \text{Pa} \). What is the pressure at \( 1.5 \, \text{m} \) height with speed \( 3.2 \, \text{m/s} \)? (\( \rho = 1000 \, \text{kg/m}^3 \), \( g = 9.8 \, \text{m/s}^2 \))

Q5. What is the total pressure at a depth of \( 4 \, \text{m} \) in seawater (\( \rho = 1.03 \times 10^3 \, \text{kg/m}^3 \)) if atmospheric pressure is \( 1.01 \times 10^5 \, \text{Pa} \)? (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

More Physics Chapters for NEET

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Everything you need to crack NEET