# in which one of the following cases will the liquid flow in a pipe be most streamlined?

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## In which one of the following cases will the liquid flow in a pipe be most streamlined?

In which one of the following cases will the liquid flow in a pipe be most streamlined?

Byju's Answer Standard XII Physics Terminal Velocity In which one ... Question

In which one of the following cases will the liquid flow in a pipe be most streamlined?

A

Liquid of high viscosity and high density flowing through a pipe of small radius

B

Liquid of high viscosity and low density flowing through a pipe of small radius

C

Liquid of low viscosity and low density flowing through a pipe of large radius

D

Liquid of low viscosity and high density flowing through a pipe of large radius

Open in App Solution

The correct option is **B** Liquid of high viscosity and low density flowing through a pipe of small radius

For streamline flow, Reynold's number

N R ∝ r ρ η

should be less. For less value of

N R

, radius and density should be small and viscosity should be high.

Suggest Corrections 1 SIMILAR QUESTIONS

**Q.**A liquid of density

ρ = 1000 k g / m 3 ; viscosity η = 0.1 N − S / m 2

is flowing down in vertical pipe of large cross section. A small ball of density

ρ 0 = 100 k g / m 3

and radius 5 cm will be at rest in flowing liquid. The velocity of flowing liquid is

**Q.**Calculate Reynold’s number, if a fluid having a viscosity of

0.4 Ns/m 2 and density of 900 kg/m 3

flows through a pipe of length

20 mm with a velocity of 2.5 m/s .

**Q.**Calculate Reynolds number, if a fluid having viscosity of

0.5 Ns/m 2 and density of 450 kg/m 3

, flows through a pipe of

20 mm

diameter with an average velocity of

2.5 m/s .

**Q.**If a fluid having viscosity

0.6 Ns/m 2 and density of 900 kg/m 3

, flows through a pipe of diameter

40 mm

, then find the maximum velocity of fluid (in

m/s

) inside the pipe for laminar flow. (Critical Reynold's number

= 2100 )

**Q.**Calculate Reynold's number if a fluid having a viscosity of

0.25 N.s/m 2 and density of 800 kg/m 3

flows through a pipe of radius

10 mm with a velocity of 2 m/s . View More

## In which one of the following cases will the liquid flow in a pipe be most streamlined

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Question

## In which one of the following cases will the liquid flow in a pipe be most streamlined

**A**

## Liquid of high viscosity and high density flowing through a pipe of small radius

**B**

## Liquid of high viscosity and low density flowing through a pipe of small radius

**C**

## Liquid of low viscosity and low density flowing through a pipe of large radius

**D**

## Liquid of low viscosity and high density flowing through a pipe of large radius

Medium Open in App

Updated on : 2022-09-05

Solution Verified by Toppr

Correct option is B)

For streamline flow, Reynolds's number NR ∝ η rρ should be less. For less value of N R

, radius and density should be small and viscosity should be high.

So the correct answer is liquid of high viscosity and low density flowing through a pipe of small radius.

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## Liquid of high viscosity and high density flowing through a pipe of small radius

In which one of the following cases will the liquid flow in a pipe be most streamlined

Home > English > Class 11 > Physics > Chapter > Fluid Mechanics >

In which one of the following ...

In which one of the following cases will the liquid flow in a pipe be most streamlined

Updated On: 27-06-2022

( 00 : 20 ) ADVERTISEMENT Text Solution Open Answer in App A

Liquid of high viscosity and high density flowing through a pipe of small radius

B

Liquid of high viscosity and low density flowing through a pipe of small radius

C

Liquid of low viscosity and low density flowing through a pipe of large radius

D

Liquid of low viscosity and high density flowing through a pipe of large radius

Answer

The correct Answer is B

Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

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Guys, does anyone know the answer?