MCQ Quiz on Class 11 Physics Chapter 2 Units and Measurements with Answers

We have compiled the MCQ Questions for Class 11 Physics Chapter 2 Units and Measurements with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 11 Physics with Answers on a daily basis and score well in exams. Refer to the Units and Measurements Class 11 MCQs Quiz Questions with Answers here along with a detailed explanation.

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PhysUnits and Measurements Class 11 MCQs Questions with Answers

MCQ Questions for Class 11 Physics Chapter 2 Units and Measurements with Answers

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1. Young’s modulus of steel is 1.9 × 1011 N/m2. When expressed in CGS units of dynes/cm2, it will be equal to:

 
 
 
 

2. Absolute error of the measurement is

 
 
 
 

3. The atmospheric pressure is 106 dyne/cm². What is its value in SI unit?

 
 
 
 

4. Resolution is

 
 
 
 

5. Light year is a unit of

 
 
 
 

6. Give that the displacement of a particle is given by x = A² sin² kt, where t denotes the time. The unit of k is

 
 
 
 

7. Which of the following groups have different dimensions?

 
 
 
 

8. What is the number of significant figures in (3.20 + 4.80) × 105?

 
 
 
 

9. The number of significant figures in 0.06900 is:

 
 
 
 

10. Which of the following physical quantity is dimensionless?

 
 
 
 

11. The dimensions of kinetic energy is same as that of

 
 
 
 

12. Physical quantities are

 
 
 
 

13. Which of the following is not the name of physical quantity?

 
 
 
 

14.  Which of the following measurements is most precise?

 
 
 
 

15. Electron volt is a unit of

 
 
 
 

16. The dimensional formula for angular momentum is same as that for:

 
 
 
 

17. A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane. Its coordinates at a later time are the path of the particle makes with the x-axis an angle of

 
 
 
 

18. The weight of a body is 12g. This statement is not correct because:

 
 
 
 

19. The mean length of an object is 5 cm. Which of the following measurements is most accurate?

 
 
 
 

20. ML-1T -2 is the dimensional formula of

 
 
 
 

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