JAC Class 11 Physics Syllabus. We covered all the JAC Class 11 Physics Syllabus in this post for free so that you can practice well for the exam.
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JAC Class 11 MCQs from Physics Syllabus for Students
Two spheres of radii r and 2r are having the same charge. Compare their surface density of charge :
(A) 1 : 4
(B) 4 : 1
(C) 1 : 2
(D) 2 : 1
Option b – 4 : 1
Two charges of +3µC are separated by a distance of 0.4 m. Where should a third charge of +2µC be placed from +3µC so that it experiences zero force?
(A) 0.1 m
(B) 0.2 m
(C) 0.3 m
(D) 0.02 m
Option b – 0.2 m
The potential at a point due to an electric dipole will be maximum and minimum when the angles between the axis of the dipole and the line joining the point to the dipole are respectively :
(A) 90° and 180°
(B) 0° and 90°
(C) 90° and 0°
(D) 0° and 180°
Option d – 0° and 180°
An electric dipole has the magnitude of its charge as q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is along the direction of the field, the force of it and its potential energy are respectively :
(A) 2qE and minimum
(B) qE and pE
(C) Zero and minimum
(D) qE and maximum
Option c – Zero and minimum
A molecule with a dipole moment P is placed in an electric field of strength E. Initially the dipole is aligned parallel to the field. If the dipole is to be rotated to be anti-parallel to the field, the work required to be done by an external agency is :
(A) -2 PE
(B) -PE
(C) PE
(D) 2 PE
Option d – 2 PE
Two identical metal spheres A and B are supported on insulating stands and placed in contact. What kind of charges will A and B develop when a negatively charged ebonite rod is brought near A?
(A) A will have +ve and B will have -ve charge.
(B) A will have -ve and B will have +ve charge.
(C) Both have positive charges.
(D) Both have negative charges.
Option a – A will have +ve and B will have -ve charge
Two positive charges of 3 μC and 6 μC are placed at points that are 60 cm apart in a medium of dielectric constant 5. The potential at the midpoint of the line joining the charges will be :
(A) 54 kV
(B) 5.4 kV
(C) 0.54 kV
(D) 540 kV
Option a – 54 kV
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