CBSE Class 11 Physics Chapter 2 Units and Measurements Multiple Choice Questions with Answers. MCQ Questions Class 11 Physics Units and Measurements with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Physics Units and Measurements MCQs with Answers to know their preparation level.
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MCQ Questions Class 11 Physics Units and Measurements with Answers - Set - 5
Question 1:
Which of the following dimensions will be the same as that of time?
(a) L /R
(b) C /L
(c) LC
(d) R /L
Correct Answer – (A)
Question 2 :
Which pair do not have equal dimensions ?
(a) Energy and torque
(b) Force and impulse
(c) Angular momentum and Planck’s constant
(d) Elastic modulus and pressure.
Correct Answer – (B)
Question 3 :
The dimensions of universal gravitational constant are
(a) [M–1L3T–2]
(b) [ML2T–1]
(c) [M–2L3T–2]
(d) [M–2L2T–1]
Correct Answer – (A)
Question 4 :
Dimensions of resistance in an electrical circuit, in terms of dimension of mass M, of length L, of time T and of current I, would be
(a) [ML2T–2]
(b) [ML2T–1I–1]
(c) [ML2T–3I–2]
(d) [ML2T–3I–1]
Correct Answer – (B)
Question 5 :
If the dimensions of a physical quantity are given by MaLbTc, then the physical quantity will be
(a) velocity if a = 1, b = 0, c = – 1
(b) acceleration if a = 1, b = 1, c = – 2
(c) force if a = 0, b = – 1, c = – 2
(d) pressure if a = 1, b = –1, c = –2
Correct Answer – (D)
MCQ Questions Class 11 Physics Units and Measurements with Answers
Question 6 :
The dimensions of impulse are equal to that of
(a) pressure
(b) linear momentum
(c) force
(d) angular momentum
Correct Answer – (B)
Question 7 :
The dimensions of Planck’s constant equals to that of
(a) energy
(b) momentum
(c) angular momentum
(d) power.
Correct Answer – (C)
Question 8 :
The ratio of the dimensions of Planck’s constant and that of moment of inertia is the dimensions of
(a) time
(b) frequency
(c) angular momentum
(d) velocity.
Correct Answer – (B)
Question 9 :
Which two of the following five physical parameters have the same dimensions ?
1. energy density
2. refractive index
3. dielectric constant
4. Young’s modulus 5. magnetic field
(a) 1 and 4
(b) 1 and 5
(c) 2 and 4
(d) 3 and 5
Correct Answer – (A)
Question 10 :
The dimension of 1/2 ε0 E2 ,where e0 is permittivity of free space and E is electric field, is
(a) ML2T–2
(b) ML–1T–2
(c) ML2T–1
(d) MLT–1
Correct Answer – (B)
- NCERT Solutions Class 11 Physics Chapter 1 : Physical world
- NCERT Solutions Class 11 Physics Chapter 2 : Units And Measurements
- NCERT Solutions Class 11 Physics Chapter 3 : Motion In A Straight Line
- NCERT Solutions Class 11 Physics Chapter 4 : Motion In A Plane
- NCERT Solutions Class 11 Physics Chapter 5 : Laws of Motion
- NCERT Solutions Class 11 Physics Chapter 6 : Work Energy Power
- NCERT Solutions Class 11 Physics Chapter 7 : Rotational-Motion
- NCERT Solutions Class 11 Physics Chapter 8 : Gravitation
- NCERT Solutions Class 11 Physics Chapter 9 : Mechanical Properties of Solids
- NCERT Solutions Class 11 Physics Chapter 10 : Mechanical Properties of Fluids
- NCERT Solutions Class 11 Physics Chapter 11 : Thermal Properties of Matter
- NCERT Solutions Class 11 Physics Chapter 12 : Thermodynamics
- NCERT Solutions Class 11 Physics Chapter 13 : Kinetic Theory
- NCERT Solutions Class 11 Physics Chapter 14 : Oscillations
- NCERT Solutions Class 11 Physics Chapter 15 : Waves
