Unit , Dimensions & Measurements Test Online MCQs

1. What is the dimensions of impedance?

2. Which of the following physical quantities do not have same dimensions?

3. The magnetic moment has dimensions of

4. The dimensional formula of the constant a in Vander Wall’s gas equation (P + a/V²)(V-b) =RT is:

5. Using mass (M), length (L), time (T) and current (A) as fundamental quantities, the dimensions of permeability are:

6. Dimensions of coefficient of viscosity is

7. Which of the following pairs does not have similar dimensions?

8. Given that . Two out of the three vectors are equal in magnitude. The magnitude of the third vector is √2 times that of the other two. Which of the following can be the angles between these vectors? 

9. Using mass (M), length (L), time (T)and current (A) as fundamental quantities, the dimensional formula of permittivity is:

10. “Parsec” is the unit of:

11. Which if the following pair of quantities do not have the same dimensions:

12. The dimensions of torque are

13. Velocity of light is equal to

14. The dimensions of Planck’s constant are

15. What is the dimensional formula of gravitational constant?