Units and Measurements · NEET Preparation Physics
Which of the following sets of physical quantities has the same dimensions?
Practice question from Units and Measurements (NEET Preparation Physics), with the correct answer and a step-by-step solution.
medium · MCQ · Q-B279B8
Which of the following sets of physical quantities has the same dimensions?
- A.Planck's constant, angular momentum, and torque
- B.Work, torque, and energyCorrect answer
- C.Pressure, stress, and strain
- D.Velocity, momentum, and impulse
Solution
Work, torque, and energy all have the dimension . Torque is force times distance (), and work/energy is force times displacement. Planck's constant and angular momentum have dimensions , but torque has , so option A is incorrect. Strain is dimensionless, whereas pressure and stress have dimensions .
More from Units and Measurements
- The dimensional formula of the universal gravitational constant G is:
- If energy (E), velocity (v), and time (T) are chosen as the fundamental physical quantities, the dimensional formula for surface tension wi…
- In an experiment, the percentage errors incurred in the measurement of mass and velocity are 1% and 2% respectively. The maximum percentage…
- The length of a cylinder is measured with a meter rod having least count 0.1text{ cm}. Its diameter is measured with vernier calipers havin…
Practise more Physics
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed