Check the below Online Education NCERT MCQ Questions for Class 11 Physics Chapter 10 Mechanical Properties of Fluids with Answers Pdf free download. MCQ Questions for Class 11 Physics with Answers were prepared based on the latest exam pattern. We have provided Mechanical Properties of Fluids Class 11 Physics MCQs Questions with Answers to help students understand the concept very well.
Online Education for Mechanical Properties of Fluids Class 11 MCQs Questions with Answers
Mechanical Properties Of Fluids Class 11 MCQ Question 1.
A number of small drops of mercury coalesce adiabatically to form a single drop. The temperature of drop
(a) Increases
(b) Is infinite
(c) Remains unchanged
(d) May decrease or increase depending upon size
Answer
Answer: (d) May decrease or increase depending upon size
Mechanical Properties Of Fluids MCQ Question 2.
Surface tension of a soap solution is 1.9 × 10-2N/m. work done in blowing a bubble of 2.0 cm diameter will be
(a) 7.6 × 10-6 p J
(b) 15.2 × 10-6 p J
(c) 1.9 × 10-6 p J
(d) 1 × 10-4 p J
Answer
Answer: (b) 15.2 × 10-6 p J
Mechanical Properties Of Fluids MCQ Pdf Question 3.
Plants get water through the roots because of
(a) Capillarity
(b) Viscosity
(c) Gravity
(d) Elasticity
Answer
Answer: (a) Capillarity
MCQ On Mechanical Properties Of Fluids Class 11 Question 4.
Choose the wrong statement from the following.
(a) Small droplets of a liquid are spherical due to surface tension
(b) Oil rises through the wick due to capillarity
(c) In drinking the cold drinks through a straw, we use the phenomenon of capillarity
(d) Gum is used to stick two surfaces. In this process we use the property of Adhesion
Answer
Answer: (c) In drinking the cold drinks through a straw, we use the phenomenon of capillarity
Class 11 Physics Chapter 10 MCQ Question 5.
The height of a liquid in a fine capillary tube
(a) Increases with an increase in the density of a liquid
(b) Decreases with a decrease in the diameter of the tube
(c) Decreases with an increase in the surface tension
(d) Increases as the effective value of acceleration due to gravity is decreased
Answer
Answer: (d) Increases as the effective value of acceleration due to gravity is decreased
MCQs On Mechanical Properties Of Fluids Question 6.
At critical temperature, the surface tension of a liquid
(a) Is zero
(b) Is infinity
(c) Is the same as that at any other temperature
(d) Can not be determined
Answer
Answer: (a) Is zero
Mechanical Properties Of Fluids MCQs Question 7.
A capillary tube when immersed vertically in a liquid records a rise of 3 cm. if the tube is immersed in the liquid at an angle of 60° with the vertical, then length of the liquid column along the tube will be
(a) 2 cm
(b) 3 cm
(c) 6 cm
(d) 9 cm
Answer
Answer: (c) 6 cm
MCQ On Mechanical Properties Of Fluids Class 12 Question 8.
When the angle of contact between a solid and a liquid is 90°, then
(a) Cohesive force > Adhesive force
(b) Cohesive force < Adhesive force
(c) Cohesive force = Adhesive force
(d) Cohesive force >> Adhesive force
Answer
Answer: (c) Cohesive force = Adhesive force
Mechanical Properties Of Fluids Class 12 MCQ Pdf Question 9.
Water rises up to a height of 5 cm in a capillary tube of radius 2 mm. what is the radius of the radius of the capillary tube if the water rises up to a height of 10 cm in another capillary?
(a) 4 mm
(b) 1 mm
(c) 3 mm
(d) 1 cm
Answer
Answer: (b) 1 mm
Mechanical Properties Of Fluid MCQ Question 10.
If the surface of a liquid is plane, then the angle of contact of the liquid with the walls of container is
(a) Acute angle
(b) Obtuse angle
(c) 90°
(d) 0°
Answer
Answer: (d) 0°
Mechanical Properties Of Fluids MCQ With Answers Pdf Question 11.
Two soap bubbles have radii in the ratio of 4 : 3. What is the ratio of work done to below these bubbles?
(a) 4 : 3
(b) 16 : 9
(c) 09 : 16
(d) 3 : 4
Answer
Answer: (b) 16 : 9
MCQ Questions On Mechanical Properties Of Fluids Class 11 Question 12.
The height of water in a capillary tube of radius 2 cm is 4 cm. what should be the radius of capillary, if the water rises to 8 cm in tube?
(a) 1 cm
(b) 0.1 cm
(c) 2 cm
(d) 4 cm
Answer
Answer: (a) 1 cm
Class 11 Physics Mechanical Properties Of Fluids MCQ Question 13.
Water rises up to a height of 4 cm, in a capillary tube immersed vertically in water. What will be the length of water column in the capillary tube, if the tube is immersed in water, at an angle of 60° with the vertical?
(a) 4 cm
(b) 6 cm
(c) 8 cm
(d) 2 cm
Answer
Answer: (c) 8 cm
MCQ Questions For Class 11 Physics Chapter 10 Question 14.
The surface of water in contact with glass wall is
(a) Plane
(b) concave
(c) convex
(d) Both b and c
Answer
Answer: (b) concave
Mechanical Properties Of Fluids MCQ Pdf Download Question 15.
Pressure inside two soap bubbles is 1.01 and 1.02 atmospheres. ratio between their volume is
(a) 102 : 101
(b) (102)3 : (101)3
(c) 8 : 1
(d) 2 : 1
Answer
Answer: (c) 8 : 1
Mechanical Properties Of Fluids Class 12 MCQ Question 16.
One end of a towel dips into a bucket full of water and other end hangs over the bucket. It is found that after some time the towel becomes fully wet. It happens
(a) Because viscosity of eater is high
(b) Because of the capillary action of cotton threads
(c) Because of gravitational force
(d) Because of evaporation of water.
Answer
Answer: (b) Because of the capillary action of cotton threads
Mechanical Properties Of Fluids Class 11 Questions And Answers Pdf Question 17.
If the surface of a liquid is plane, then the angle of contact of the liquid with the walls of container is
(a) Acute angle
(b) Obtuse angle
(c) 90°
(d) 0°
Answer
Answer: (d) 0°
Mechanical Properties Of Fluids Class 11 Important Questions Pdf Question 18.
Water rises up to a height h, in a capillary tube of radius r. the mass of the water lifted in the capillary tube is M. if the radius of the capillary tube is doubled, the mass of water that will rise in the capillary tube will be
(a) M
(b) 2M
(c) M/2
(d) 4M
Answer
Answer: (b) 2M
Question 19.
5 g of water rises in the bore of capillary tube when it is dipped in water. If the radius of bore capillary tube is doubled, the mass of water that rises in the capillary tube above the outside water level is
(a) 1.5 g
(b) 10 g
(c) 5 g
(d) 15 g
Answer
Answer: (b) 10 g
Question 20.
The height of a liquid in a fine capillary tube
(a) Increases with an increase in the density of a liquid
(b) Decreases with a decrease in the diameter of the tube
(c) Decreases with an increase in the surface tension
(d) Increases as the effective value of acceleration due to gravity is decreased
Answer
Answer: (d) Increases as the effective value of acceleration due to gravity is decreased
We hope the given NCERT MCQ Questions for Class 11 Physics Chapter 10 Mechanical Properties of Fluids with Answers Pdf free download will help you. If you have any queries regarding CBSE Class 11 Physics Mechanical Properties of Fluids MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.