Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Units and Measurements

Question:

The physical quantities not having same dimensions are

Options:

speed and $(μ_0ε_0)^{-1/2}$

torque and work

momentum and Planck’s constant

stress and Young’s modulus

Correct Answer:

momentum and Planck’s constant

Explanation:

The correct answer is Option (3) → momentum and Planck’s constant

The dimensions of momentum = $MLT^{–1}$

The dimensions of plank’s constant = $ML^2T^{–1}$.