Dimensions and Derivation of Velocity - Testbook.com

Last Updated on Jul 31, 2023
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What is the Dimensional Formula of Velocity?

Velocity, a fundamental concept in physics, can be defined using a dimensional formula. This formula is a representation of the physical quantity in terms of its basic quantities of Mass (M), Length (L), and Time (T).

The dimensional formula for Velocity is represented as:

M0L1T-1

In this formula,

  • M denotes Mass
  • L stands for Length
  • T signifies Time

How is the Dimensional Formula of Velocity Derived?

The derivation of the dimensional formula of velocity is based on its definition. Velocity (V) is defined as the ratio of Displacement to Time, i.e., V = Displacement × Time-1.

Considering the dimensional formula of Displacement as [M0L1T0] and Time as [M0L0T1], we can substitute these values into the equation.

After substitution, the equation becomes:

Velocity = Displacement × Time-1

Or, V = [M0L1T-1]

This implies that the dimensional representation of Velocity is [M0L1T-1].

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Frequently Asked Questions

The dimensional formula of velocity is M0L1T-1

In the dimensional formula of velocity, M represents Mass, L represents Length, and T represents Time.

The dimensional formula of velocity is derived from the formula Velocity (V) = Displacement × Time-1.


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