Question

A new physical quantity 'Y' is defined by the equation Y = Power × Time / Area. Which one of the following expressions correctly represents the dimensions of 'Y'?

Name: Dimensional Formula: Writing Dimensions of Physical Quantities
Uploaded: 2026-09-25T05:08:17.000Z
Description: This short lesson breaks down Dimensional Formula: Writing Dimensions of Physical Quantities into clear points for faster understanding and revision.

Asked in RRB JE CBT 2 (CMA) · 2026

Dimensional formulae and dimensional equations · Physics

Exam PYQ4 Options

PhysicsUnits, Dimensions and MeasurementsDimensional formulae and dimensional equationsRRB JE CBT 2 (CMA)2026

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Quick Revision

Kinetic energy is ½mv², so doubling speed makes it four times larger.

Correct AnswerCorrect option for this question

Option A — M T-2

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Questions Asked from Dimensional Formula: Writing Dimensions of Physical Quantities in Previous Exams

See how often Dimensional Formula: Writing Dimensions of Physical Quantities has appeared in previous-year questions across major government exams.

High Exam Frequency

15UPSC Questions Asked in These Years:2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2020, 2021, 2022, 2023, 2024, 2026

8SSC Questions Asked in These Years:2017, 2018, 2020, 2021, 2022, 2023, 2024, 2025

7Railways Questions Asked in These Years:2016, 2018, 2021, 2022, 2024, 2025, 2026

15State PSC Questions Asked in These Years:2002, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

Dimensional Formula: Writing Dimensions of Physical Quantities has appeared in 45 previous-year exam questions, most frequently in UPSC, State PSC and SSC.

2-Minute Revision Notes