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

NCERTCOURSE.COM given here the NCERT chapter-wise Multiple Choice Questions from Class 11 Physics book Chapter 2 Units and Measurements with Answers Pdf free download. This may assist you to understand and check your knowledge about the chapters. Students also can take a free test of the Multiple Choice Questions of Units and Measurements. Each question has four options followed by the right answer. These MCQ Questions are selected supported by the newest exam pattern as announced by CBSE.

MCQ Class 11 Physics Chapter 2 With Answers

Q1. The zero error belongs to the category of:

(i) constant error
(ii) personal error
(iii) accidental error
(iv) instrumental error

(iv) instrumental error

Q2. Resolution is

(i) a measure of the bias in the instrument
(ii) None of these
(iii) the smallest amount of input signal change that the instrument can detect reliably
(iv) a measure of the systematic errors

(iv) a measure of the systematic errors

Q3. The most suitable instrument for measuring the size of an atom is.

(i) Electron microscope
(ii) Vernier calliper
(iii) Optical Microscope
(iv) Screw gauge

(i) Electron microscope

Q4. The dimensions of kinetic energy is same as that of

(i) force
(ii) pressure
(iii) work
(iv) momentum

(iii) work

Q5. Joule second is a unit of

(i) angular momentum
(ii) torque
(iii) energy
(iv) power

(i) angular momentum

Q6. Which of the following have the same dimensions as Plank’s constant?

(i) Moment of momentum
(ii) Moment of fierce
(iii) Momentum/distance
(iv) Force/distance

(i) Moment of momentum

Q7. Which of the following pairs has the same dimensions?

(i) specific heat and latent heat
(ii) lmpulse and momentum
(iii) surface tension and force
(iv) moment of lnertia and torque

(ii) lmpulse and momentum

Q8. Two physical quantities whose dimensions are not same, cannot be :

(i) multiplied with each other
(ii) divided
(iii) added or substracted in the same expression
(iv) added together

(iii) added or substracted in the same expression

Q9. In a system of units if force (F), acceleration (i) and time (T) are taken as fundamentals units then the dimensional formula of energy is

(i) FA2T
(ii) FAT2
(iii) FA2T
(iv) FAT

(ii) FAT2

Q10. Torr’ is the unit of

(i) pressure
(ii) volume
(iii) density
(iv) flux

(i) pressure

Q11. If the unit of force and length are doubled, the unit of energy will be

(i) 1/2 times
(ii) 2 times
(iii) 4 times
(iv) 1/4 times

(iii) 4 times

Q12. Electron volt is a unit of

(i) charge
(ii) potential difference
(iii) energy
(iv) magnetic force

(iii) energy

Q13. Which of the following physical quantities has different dimensions?

(i) Energy
(ii) Watt hour
(iii) Momentum
(iv) Work

(iii) Momentum

Q14. The dimensions of kinetic energy is

(i) [M 2L2T]
(ii) [ML 2T]
(iii) [ML 2T-2]
(iv) [ML 2T-1]

(iii) [ML 2T-2]

Q15. One second is defined to be equal to

(i) 9192631770 periods of the cesium clock
(ii) 1650763.73 periods of the cesium clock
(iii) 652189.63 periods of the krypton clock
(iv) 1650763.73 periods of the krypton clock

(i) 9192631770 periods of the cesium clock

Q16. The weight of a body is 12g. This statement is not correct because:

(а) the correct symbol for the unit of weight has not been used
(ii) the correct symbol for gram is gm.
(iii) the weight should be expressed in kg.
(iv) None of the above

(а) the correct symbol for the unit of weight has not been used

Q17. Which of the following units denotes the dimensions [ML2/Q2], where Q represents the electric charge?

(i) Wb/m²
(ii) Henry(H)
(iii) H/m²
(iv) Weber(Wb)

(ii) Henry(H)

Q18. In the above question dimensions of b/c are the same as those of

(i) Wave velocity
(ii) Wavelength
(iii) Wave amplitude
(iv) Wave frequency

(i) Wave velocity

Q19. 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

(i) 300
(ii) 450
(iii) 600
(iv) 0

(iii) 600

Q20. Unit for a fundamental physical quantity is

(i) defined as best of various reference standards
(ii) the smallest measurable value of the physical quantity
(iii) defined as average various reference standards
(iv) reference standard for the physical quantity

(iv) reference standard for the physical quantity

Q21. What is the number of significant figures in 0.310×10³ ?

(i) 6
(ii) 2
(iii) 4
(iv) 3

(iv) 3

Q22. The volume of a cube in m³ is equal to the surface area of the cube in m². The volume of the cube is

(i) 64 m³
(ii) 216 m³
(iii) 512 m³
(iv) 196 m³

(ii) 216 m³

Q23. Which of the following is a dimensional constant?

(i) Gravitational constant
(ii) Dielectric constant
(iii) Refractive index
(iv) Relative density

(i) Gravitational constant

I Think the given NCERT MCQ Questions for class 11 Physics book Chapter 2 Units and Measurements with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 11 Physics Units and Measurements MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soon.

Class 11 Physics MCQ Questions Chapter wise with Answers

1 thought on “Units and Measurements MCQ Questions for Class 11 Physics Chapter 2 with Answers”

  1. It’s very useful to student because in this website many mcq of different chapter and differentsubject mcqand also available here

    Reply

Leave a Comment