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# Unit , Dimensions & Measurements Test Online MCQs

 Test Name Unit , Dimensions & Measurements MCQs Test Subject Physics Test Type MCQs Total Question 15 Total Marks 30 Total Time 15 Mints Test Help For Physics Subject Test Prep. All Admissions Test. All Jobs Test prep. Medical Test prep. B Tech and BDS Prep.

Physical quantities, Unit , Dimensions & Measurements are so important in all aspects of life. Get the knowledge of the Unit , Dimensions & Measurements Multiple Choice Questions Test for the preparation of universities and colleges tests.

## Physics

1. What is the dimensional formula of gravitational constant?

Question 1 of 15

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

Question 2 of 15

3. The dimensions of Planck’s constant are

Question 3 of 15

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

Question 4 of 15

5. The magnetic moment has dimensions of

Question 5 of 15

6. Velocity of light is equal to

Question 6 of 15

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

Question 7 of 15

8. The length and breadth of a metal sheet are 3.124 m and 3.002 m respectively. The area of this sheet up to four correct significant figure is:

Question 8 of 15

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

Question 9 of 15

10. Dimensions of electrical resistance are

Question 10 of 15

11. What is the dimensions of impedance?

Question 11 of 15

12. The activity of radioactive sample is measured as 9750 counts per minute at t = 0 and as 975 counts per minute at t = 5 minutes, the decay constant is approximately

Question 12 of 15

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

Question 13 of 15

14. Dimensions of coefficient of viscosity is

Question 14 of 15

15. The dimensions of torque are

Question 15 of 15

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