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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 with radii r and 2r carry equal charges. The ratio of their surface charge densities is:
a) 1 : 4
b) 4 : 1
c) 1 : 2
d) 2 : 1
Option b – 4 : 1
Two charges of +3 μC are separated by 0.4 m. At what distance from one of the +3 μC charges should a +2 μC charge be placed so that the NET force on it is zero?
a) 0.1 m
b) 0.2 m
c) 0.3 m
d) 0.02 m
Option b – 0.2 m
The electric potential at a point due to a dipole reaches its maximum and minimum values when the angle between the dipole axis and the line joining the point to the dipole is:
a) 90° and 180°
b) 0° and 90°
c) 90° and 0°
d) 0° and 180°
Option d – 0° and 180°
An electric dipole of charge q and dipole moment p is placed in a uniform Electric Field E. If the dipole moment is aligned with the field, the force on it and its potential energy are:
a) 2qE and minimum
b) qE and pE
c) Zero and minimum
d) qE and maximum
Option c – Zero and minimum
A Molecule with dipole moment P is initially aligned parallel to a uniform Electric Field E. The work required to rotate it to be anti-parallel to the field is:
a) -2 PE
b) -PE
c) PE
d) 2 PE
Option a – -2 PE
Two identical metal spheres A and B are placed on insulating stands and brought into contact. If a negatively charged ebonite rod is brought near sphere A, the charges developed on A and B will be:
a) A becomes positive and B becomes negative
b) A becomes negative and B becomes positive
c) Both become positive
d) Both become negative
Option a – A becomes positive and B becomes negative
Two positive charges, 3 μC and 6 μC, are separated by 60 cm in a medium with dielectric constant 5. The electric potential at the midpoint between the charges is:
a) 54 kV
b) 5.4 kV
c) 0.54 kV
d) 540 kV
Option a – 54 kV
We covered all the jac Class 11 Physics syllabus above in this post for free so that you can practice well for the exam.
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Also, check out:
- Comprehensive Physics Class 11
- Sl Arora Physics Class 11 Solutions
- Nageen Prakashan Physics Class 11 Solutions in Hindi
