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A dimensionless quantity...

A dimensionless quantity

A

May have a unit

B

Must have a unit

C

May not have a unit

D

Must not have a unit

Text Solution

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The correct Answer is:
1,3
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Which of the following is dimensionless quantity ?

The following is a unitless and dimensionless quantity

Knowledge Check

  • The dimensionless quantity is

    A
    stress
    B
    shear stress
    C
    strain
    D
    restoring force

  • Select the dimensionless quantity (ies) :

    A
    vapour density
    B
    molality
    C
    specific gravity
    D
    mass fraction

  • Which of the following is dimensionless quantity ?

    A
    stress
    B
    Young's modulus
    C
    strain
    D
    Pressure

    • Similar Questions

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    Which one of the following is not the dimensionless quantity?

    Statement-1: Specific gravity is dimensionless quantity. Because Statement-2: Specific gravity is relative density of a substance, measured with respect to density of water at 4^(@)C .

    Statement-1 : Plane angle is a dimensionaless quantity. Statement-2 : All supplementary quantities are dimensionless.

    Statement-1: Vapour density of CH_(4) is half of O_(2) . Because Statement-2: 1.6 g of CH_(4) contains same number of electrons as 3.2 g of O_(2) . Statement-2: Specific gravity is dimensionless quantity. Because Statement-2: Specific gravity. is relative density of a substance, measured with respect to density of water at 4^(@)C ?

    Assertion: Angle and angular displacement a dimensionless quantities. Reason: Angle is equal in are length divided by radius.

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