# MCQs on Viscosity for NEET

NEET  Physics is the scoring paper in the medical entrance examination. Here, you will discover the NEET Physics MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Physics objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Physics Viscosity Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

## MCQs on Viscosity

1. Which of the following represents viscosity?
(a) Potential energy stored in fluid
(b) Resistance to fluid motion
(c) Roughness of the surface
(d) The pressure difference between the two fluids

Answer: (b) Resistance to fluid motion

2. What is the SI unit of viscosity?
(a) Candela
(b) Poiseiulle
(c) Newton/m
(d) No units

3. Which of these fluids has the highest viscosity?
(a) Water
(b) Honey
(c) Blood
(d) Air

4. What happens to the viscosity of liquid with the increase in temperature
(a) It increases
(b) It decreases
(c) It may increase or decrease
(d) No change

5. What do we call the maximum velocity of a fluid in a tube for which the flow remains streamlined?
(a) Hyper velocity
(b) critical velocity
(c) Stream velocity
(d) Laminar velocity

6. Which of the following represents Kinematic viscosity?
(a) Viscosity/temperature
(b) Viscosity/area
(c) Viscosity/density
(d) Viscosity/mass

7. Which of these ratios gives the value of viscosity of fluid?
(a) Ratio of the shearing stress to the weight of the fluid
(b) Ratio of the shearing stress to the density of the fluid
(c) Ratio of the velocity gradient and shearing stress
(d) The ratio of the shearing stress to the velocity gradient

Answer: (d) The ratio of the shearing stress to the velocity gradient

8. The relative motion between the adjacent layers of a fluid in motion is called viscous force. Which of the flowing suits the best in the sentence?
(a) Effects at some conditions
(b) Never affects
(c) Opposes
(d) Facilitates

9. Which among the following statement is the definition of a pseudoplastic liquid?
(a) It is a liquid that becomes less viscous over time when constant shear stress is applied
(b) As the rate of shear increases, it becomes less viscous
(c) When constant shear stress is applied the liquid becomes more viscous over time
(d) A liquid which becomes more viscous as the rate of shear increases