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Formula Sheet

Units, Dimensions and Vectors — Formula Sheet

NIOS · Class 12 · Physics

6 formulas from Units, Dimensions and Vectors (NIOS Class 12 Physics) on one page, grouped by topic. Part of the NIOS Class 12 Physics syllabus.

44 questions39 flashcards6 formulas & key relations5 concepts

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A comprehensive table listing the seven fundamental physical quantities in the International System of Units (SI), along with their respective base units and symbols.
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6 Entries · 3 Sections

Formulas and Key Relations

Dimensions of Physical Quantities

[M L T] represents dimensions

Applications of Dimensional Analysis

Dimensional Equation Checking: Check if both sides have same dimensions

Deriving Physical Relations: If x ∝ aᵐ·bⁿ, then equate dimensions and solve for m and n

Unit Conversion: Multiply by conversion factor (dimension preservation)

1 metre = distance light travels in vacuum in 1/299,792,458 seconds

1 second = 9,192,631,770 vibrations of ¹³³Cs atom between its hyperfine ground state levels

Full sheet with units and worked examples

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Frequently Asked Questions

What are the important topics in Units, Dimensions and Vectors for NIOS Class 12 Physics?
Key topics in Units, Dimensions and Vectors include Physical World and Measurements, SI Units and Standards of Measurement, Significant Figures, Dimensions of Physical Quantities. Study these first, then practise questions on each for the NIOS Class 12 board exam.
How many formulas are in Units, Dimensions and Vectors?
This sheet lists 6 formulas from Units, Dimensions and Vectors, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Units, Dimensions and Vectors for the NIOS Class 12 board exam?
Learn the core ideas first, then work through the 44 practice questions on Units, Dimensions and Vectors. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All NIOS Class 12 Physics Formula Sheet

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