# MCQ Questions for Class 11 Physics Chapter 10 Mechanical Properties of Fluids with Answers

Here you will find NCERT MCQ Questions for Class 11 Physics with Answers PDF Free Download based on the important concepts and topics given in the textbook as per CBSE new exam pattern. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Class 11 Physics. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

## Q1. 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.

(b) Because of the capillary action of cotton threads

(a) Acute angle
(b) Obtuse angle
(c) 90°
(d) 0°

(d) 0°

(a) M
(b) 2M
(c) M/2
(d) 4M

(b) 2M

(a) 1.5 g
(b) 10 g
(c) 5 g
(d) 15 g

(b) 10 g

## Q5. 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

(d) Increases as the effective value of acceleration due to gravity is decreased

## Q6. 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

(a) Is zero

(a) 2 cm
(b) 3 cm
(c) 6 cm
(d) 9 cm

(c) 6 cm

## Q8. 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

(c) Cohesive force = Adhesive force

(a) 4 mm
(b) 1 mm
(c) 3 mm
(d) 1 cm

(b) 1 mm

(a) Acute angle
(b) Obtuse angle
(c) 90°
(d) 0°

(d) 0°

## Q11. Liquid pressure depends upon

a) height of the liquid column
b) directions
c) shape of the liquid surface
d) area of the liquid surface

a) height of the liquid column

(a) 1 cm
(b) 0.1 cm
(c) 2 cm
(d) 4 cm

(a) 1 cm

(a) 4 cm
(b) 6 cm
(c) 8 cm
(d) 2 cm

(c) 8 cm

(a) Plane
(b) concave
(c) convex
(d) Both b and c

(b) concave

## Q15. 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

(c) 8 : 1

## Q16. The pressure at the bottom of a tank containing a liquid does not depend on

a) area of the bottom surface
b) nature of the liquid
c) height of the liquid column
d) acceleration due to gravity

a) area of the bottom surface

## Q17. Specific gravity of a body is numerically equal to

a) relative density of the body
b) density of body in water
c) weight of the body in water
d) weight of the body in air

a) relative density of the body

## Q18. Assertion: A small iron needle sinks in water while a large iron ship floats.Reason: The shape of iron needle is like a flat surface while the shape of a ship is that which makes it easier to float.

a) Assertion is correct, reason is incorrect
b) Assertion is incorrect, reason is correct
c) Assertion is correct, reason is correct; reason is not a correct explanation for assertion
d) Assertion is correct, reason is correct; reason is a correct explanation for assertion

a) Assertion is correct, reason is incorrect

a) 11%
b) 8%
c) 3%
d) 1.8%

a) 11%

a) rises
b) remains same
c) lowers
d) None of these

a) rises

(a) 4 cm
(b) 6 cm
(c) 8 cm
(d) 2 cm

(c) 8 cm

## Class 11 Physics MCQs Questions with Answers Chapter Wise

Practicing NCERT Physics MCQs With Answers Pdf Class 11 is one of the best ways to prepare for the CBSE Class 11 board exam. There is no substitute for consistent practice whether one wants to understand a concept thoroughly or one wants to score better. If you have any queries regarding The CBSE Class 11 Physics MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soon.

Scroll to Top