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Velocity of COM

The ratio of ...

Question

The ratio of inertial force to viscous force represents

A

Magnus effect

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B

Reynolds number

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C

Torricelli's law

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D

Relative density

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Solution

The correct option is B Reynolds number
Reynolds number represents the ratio of inertial force to viscous force.

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Similar questions

Q. The ________ is the ratio of inertial forces to viscous forces.

Q. The ratio of inertial forces to viscous forces is known as

Q. Group-I Contains dimensionless parameter and
Group-II contains ratio

Group-I
P. Mach number
Q. Reynold number
R. Weber number
S. Froude number
Group-II
1. Ratio of inertial force and gravity force.
2. Ratio of fluid velocity and velocity of sound.
3. Ratio of inertial force and viscous force.
4. Ratio of inertial force and surface tension force.

Correct match of the dimensionless parameter in Group-I with Group-II is

P Q R S

Q. Assertion: For Reynold's number

R_{e} > 2000

, the flow of fluid is turbulent.
Reason: Inertial forces are dominant compared to the viscous forces at such high Reynold's numbers.

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M

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