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Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
P10.2 Fluid DynamicsTotal Time:150 Minutes
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
The youtube playlist link for the chapter is http://bit.ly/P10-MechanicalPropertiesOfFluids In case the Problem Solving Videos are being played from YouTube please adjust the setting to HD to get the best playback quality.
Please go through the PPT in advance to understand the order in which things have to be played.
During the class, please adhere to the time limit prescribed for each component of the lesson
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test
Start Spot Test
5 questions, 5 minutes
Questions will be displayed on students’ screens and can be attempted in any order.
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test 04:56
QUESTION 1/5 The velocity of a particular particle _________ as it moves from one point to another in a steady flow.
(A) may change (B) remain constant
stop timer
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test
QUESTION 2/5 Steady flow is achieved at _______ flow speeds.
(A) very low (B) high
(C) all
04:56 stop timer
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test
QUESTION 3/5 Bernoulli’s equation applies to all fluids.
(A) true (B) false
04:56 stop timer
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test
QUESTION 4/5 The velocity of fluid flow is _____ at narrow portions of a pipe and _____ at broader portions of the pipe.
(A) high, high (B) low, low
(C) high, low (D) low, high
04:56 stop timer
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test
QUESTION 5/5 Equation of continuity is the statement of conservation of Energy in a fluid flow.
(A) true (B) false
04:56 stop timer
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test Answers
(A) may change
(A) very low
(B) False
(C) high, low
(B) False
1.
2.
3.
4.
5.
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
Spot Test - Class Performance
Question 1: 30 students are correct
Question 2: 35 students are correct
Question 3: 40 students are correct
Question 4: 38 students are correct
Question 5: 30 students are correct
5 stu...
5 stu...
20 students
10 students
10 students
5 questions correct4 questions correct3 questions correct2 questions correct1 questions correct
refresh
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
P10.2.1 Equation of Continuity
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
ConcepTest
Start Concept Test
Question will be displayed on students’ screens
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
ConcepTest
In steady flow of a fluid, the acceleration of any fluid particle is
(A) Constant (B) Variable
(C) Zero (D) can't say
Close first vote
0 of 13 students responded
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
ConcepTest
Open for second vote
0
5
10
15
20
A B C DFirst vote
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
ConcepTest
In steady flow of a fluid, the acceleration of any fluid particle is
(A) Constant (B) Variable
(C) Zero (D) can't say
Close second vote
0 of 13 students responded
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
ConcepTest
0
12.5
25
37.5
50
A B C D
First vote
Second vote
Answer: (D) can’t say
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
ConcepTest Solution
Here in case the diameter of the pipe does not change and the height of the pipe does not change, the velocity remains constant, and there is no acceleration. But if there is a bend or change in diameter, the fluid particles might have to accelerate. When there is a bend, the fluid particles accelerate to change direction. When there is a change in diameter, the speed of the fluid particles change hence they must have accelerated. Hence we need more information and we cannot say for sure about the acceleration.
Physics | 11 | JEE | Mechanical Properties of Fluids | Fluid Dynamics
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