# MCQ Questions for Class 11 Physics Chapter 1 Physical World with Answers

Here you will find NCERT MCQ Questions for Class 11 Physics with Answers PDF Free Download based on the important concepts and topics given in the textbook as per CBSE new exam pattern. 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 Class 11 Physics. 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.

## Q1. A soap bubble is given a negative charge, then its radius:

(a) increases
(b) decreases
(c) remains unchanged
(d) may increase or decrease

(a) increases

## Q2. In non-uniform electric field, electric dipole experiences:

(a) torque only
(b) torque as well as net force
(c) force only
(d) None of these

(b) torque as well as net force

## Q3. The force per unit charge is known as

(a) electric flux
(b) electric field
(c) electric potential
(d) electric current

(b) electric field

## Q4. Electric field lines provide information about

(a) field strength
(b) direction
(c) nature of charge
(d) all of these

(d) all of these

(a) N C-1 m-2
(b) N C m-2
(c) N C-2 m2
(d) N C-1 m2

(d) N C-1 m2

(a) newton
(b) coulomb
(d) debye

(d) debye

## Q7. If an electric dipole is kept in a uniform electric field then resultant electric force on it is :

(a) always zero
(b) never zero
(c) depend upon capacity of dipole
(d) None

(a) always zero

(a) 6.25 × 1018
(b) 625 × 1018
(c) 6.023 × 1023
(d) None

(a) 6.25 × 1018

## Q9. The work done in rotating an electric dipole in an electric field:

(a) W = ME (1 – cos ?)
(b) W = ME tan ?
(c)W = ME sec ?
(d) None

(a) W = ME (1 – cos ?)

## Q10. If sphere of bad conductor is given charge then it is distributed on:

(a) surface
(b) inside the surface
(c) only inside the surface
(d) None

(d) None

## Q11. Electric field in a cavity of metal:

(a) depends upon the surroundings
(b) depends upon the size of cavity
(c) is always zero
(d) is not necessarily zero

(d) is not necessarily zero

(a) 4L
(b) 8L
(c) L/4
(d) 2L

(b) 8L

## Q13. The graph drawn between V are r for a non-conducting charged solid sphere of radius R for r < R will be :

(a) straight line
(b) parabola
(c) hyperbola
(d) None of these

(d) None of these

## Q14. Corona discharge takes place:

(a) at the surface of a conductor
(b) near the sharp points of a conductor
(c) outside the conductor
(d) at the centre of the conductor

(b) near the sharp points of a conductor

(a) Carbon
(b) Paper
(c) Graphite
(d) Ebonite

(d) Ebonite

## Q16. If a body is negatively charged, then it has

(a) excess of electrons
(b) excess of protons
(c) deficiency of electrons
(d) deficiency of neutrons

(a) excess of electrons

## Q17. When a body is charged by induction, then the body

(a) becomes neutral
(b) does not lose any charge
(c) loses whole of the charge on it
(d) loses part of the charge on it

(b) does not lose any charge

## Q18. On charging by conduction, mass of a body may

(a) increase
(b) decreases
(c) increase or decrease
(d) None of these

(c) increase or decrease

## Q19. Quantisation of charge implies

(a) charge cannot be destroyed
(b) charge exists on particles
(c) there is a minimum permissible charge on a particle
(d) charge, which is a fraction of a coulomb is not possible.

(d) charge, which is a fraction of a coulomb is not possible.

## Q20. If an object possesses an electric charge, it is said to beelectrified or … A … When it has no charge, it is said tobe … B … Here, A and B refer to

(a) charged, neutral
(b) neutral, charged
(c) discharged, charged
(d) active, reactive

(a) charged, neutral

(a) positive
(b) negative
(c) zero
(d) cannot say

(c) zero

## Class 11 Physics MCQs Questions with Answers Chapter Wise

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