NEET Physics: Mechanical Properties of Fluids — Free Practice Set 6 (15 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 15 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0

Easy

15

Medium

0

Hard

Key concepts covered in this specific test include Streamline, Streamlines, Aircraft, Pressure, Difference, and Required.

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. In streamline flow, why do streamlines never cross each other?

A. Due to high viscosity
B. Because each streamline has a unique velocity
C. Due to turbulent flow
D. Because of pressure differences

Q2. An aircraft (\( m = 3.5 \times 10^5 \, \text{kg} \), wing area \( 550 \, \text{m}^2 \)) flies level. What is the pressure difference across the wings? (Take \( g = 10 \, \text{m/s}^2 \))

A. 6000 Pa
B. 6200 Pa
C. 6364 Pa
D. 6500 Pa

Q3. A plate of area \( 0.08 \, \text{m}^2 \) moves at \( 0.4 \, \text{m/s} \) over a \( 0.25 \, \text{mm} \) thick oil film (\( \eta = 0.034 \, \text{Pa s} \)). What force is required?

A. 2.5 N
B. 3.5 N
C. 4.35 N
D. 5.0 N

Q4. A soap film supports \( 4.0 \times 10^{-2} \, \text{N} \) over a \( 40 \, \text{cm} \) slider. What is the surface tension?

A. 0.04 N/m
B. 0.045 N/m
C. 0.05 N/m
D. 0.055 N/m

Q5. A sphere of radius \( 0.06 \, \text{m} \) moves at \( 0.13 \, \text{m/s} \) through glycerine (\( \eta = 0.83 \, \text{Pa s} \)). What is the viscous drag force?

A. 0.10 N
B. 0.12 N
C. 0.14 N
D. 0.16 N

+ 10 more questions in the actual test

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Are these questions relevant for the latest NEET syllabus?

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. In streamline flow, why do streamlines never cross each other?

Q2. An aircraft (\( m = 3.5 \times 10^5 \, \text{kg} \), wing area \( 550 \, \text{m}^2 \)) flies level. What is the pressure difference across the wings? (Take \( g = 10 \, \text{m/s}^2 \))

Q3. A plate of area \( 0.08 \, \text{m}^2 \) moves at \( 0.4 \, \text{m/s} \) over a \( 0.25 \, \text{mm} \) thick oil film (\( \eta = 0.034 \, \text{Pa s} \)). What force is required?

Q4. A soap film supports \( 4.0 \times 10^{-2} \, \text{N} \) over a \( 40 \, \text{cm} \) slider. What is the surface tension?

Q5. A sphere of radius \( 0.06 \, \text{m} \) moves at \( 0.13 \, \text{m/s} \) through glycerine (\( \eta = 0.83 \, \text{Pa s} \)). What is the viscous drag force?

Frequently Asked Questions

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Are these questions relevant for the latest NEET syllabus?

Can I view the solutions after the test?

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NEET Physics: Mechanical Properties of Fluids — MCQ Test 6

Q6. What is the excess pressure inside a water drop of radius \( 1.8 \, \text{mm} \) at \( 20^\circ \text{C} \)? (Surface tension = \( 0.0727 \, \text{N/m} \))

Q7. A sphere of radius \( 0.02 \, \text{m} \) falls through glycerine (\( \eta = 0.83 \, \text{Pa s} \)) at a terminal velocity of \( 0.1 \, \text{m/s} \). What is the viscous drag force?

Q8. What is the reason a liquid’s terminal velocity depends on its radius when falling through a viscous medium?

Q9. Water flows at \( 2.6 \, \text{m/s} \) at \( 4.0 \, \text{m} \) height with pressure \( 1.7 \times 10^5 \, \text{Pa} \). What is the pressure at \( 2.0 \, \text{m} \) height with speed \( 3.8 \, \text{m/s} \)? (\( \rho = 1000 \, \text{kg/m}^3 \), \( g = 9.8 \, \text{m/s}^2 \))

Q10. A tank has a hole \( 1.1 \, \text{m} \) below the water surface, open to the atmosphere. What is the efflux speed? (Take \( g = 10 \, \text{m/s}^2 \))

Q11. What is the primary source of resistance to motion in a viscous fluid?

Q12. What causes the speed of efflux from a hole in a tank to equal the speed of a freely falling body from the same height?

Q13. What is the primary reason mercury does not wet glass?

Q14. What is the excess pressure inside an ethanol drop of radius \( 2.2 \, \text{mm} \) at \( 20^\circ \text{C} \)? (Surface tension = \( 0.0227 \, \text{N/m} \))

Q15. A pipe narrows from \( 0.12 \, \text{m}^2 \) to \( 0.04 \, \text{m}^2 \). If water flows at \( 1.6 \, \text{m/s} \) in the wider section, what is the speed in the narrower section?

NEET Physics — Mechanical Properties of Fluids

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About this NEET MCQ Test

Preview of Questions in this Test

Q1. In streamline flow, why do streamlines never cross each other?

Q2. An aircraft (\( m = 3.5 \times 10^5 \, \text{kg} \), wing area \( 550 \, \text{m}^2 \)) flies level. What is the pressure difference across the wings? (Take \( g = 10 \, \text{m/s}^2 \))

Q3. A plate of area \( 0.08 \, \text{m}^2 \) moves at \( 0.4 \, \text{m/s} \) over a \( 0.25 \, \text{mm} \) thick oil film (\( \eta = 0.034 \, \text{Pa s} \)). What force is required?

Q4. A soap film supports \( 4.0 \times 10^{-2} \, \text{N} \) over a \( 40 \, \text{cm} \) slider. What is the surface tension?

Q5. A sphere of radius \( 0.06 \, \text{m} \) moves at \( 0.13 \, \text{m/s} \) through glycerine (\( \eta = 0.83 \, \text{Pa s} \)). What is the viscous drag force?

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?

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