Pick the dimensionally correct (or incorrect) equation
This type of question, asked 3 times: 2021 Paper 22, 4 Apr 2024, 24 Jan 2025. All 3 questions below, oldest first.
Try each one first, then open its answer.
Question 1
2021 Paper 22
16Which of the following equations is dimensionally incorrect? Where time, height, surface tension, angle, density radius, acceleration due to gravity, volume , pressure, work done, torque, permittivity, electric field, current density, length.Tap an option to check your answer.
Question 2
4 Apr 2024
109Applying the principle of homogeneity of dimensions, determine which one is correct. where is time period, is gravitational constant, is mass, is radius of orbit.Tap an option to check your answer.
Question 3
24 Jan 2025
92The energy and momentum of a moving body of mass are related by some equation. Given that c represents the speed of light, identify the correct equation.Tap an option to check your answer.