Bihar Board - Class 12 Physics - Chapter 5: Magnetism and Matter Multiple Choice Questions (MCQs)
For Class 12 Bihar Board, the chapter Magnetism and Matter in Physics explain the magnetic properties of materials, Earth’s magnetism, and concepts like magnetic dipole and magnetic field intensity. You can find multiple-choice questions that help in mastering these topics and preparing effectively for exams on Vidyakul.
Multiple Choice Question
1. The earth behaves as a ______ with the magnetic field pointing approximately from the geographic south to the north.
(A) Electromagnet
(B) Magnet
(C) Both (A) and (B)
(D) None
Ans: (B) magnet
2. When a bar magnet is freely suspended it points in the _____
(A) South -north direction
(B) East-west direction
(C) North-south direction
(D) None
Ans: (C) north- south direction
3. The tip which points to the geographic north is called as
(A) South pole
(B) North pole
(C) East pole
(D) West pole
Ans: (B) north pole
4. The tip which points to the geographic south is called as
(A) North pole
(B) South pole
(C) Both a and b
(D) None
Ans: (B) South pole
5. There is a _____ when north poles of two magnets are brought close together.
(A) Attractive force
(B) Repulsive force
(C) Both (A) and (B)
(D) None
Ans: (B) repulsive force
6. There is a _____ when the north pole of one magnet is brought near to the south pole of the another magnet.
(A) Repulsive force
(B) Attractive force
(C) Both (A) and (B)
(D) None
Ans: (B) attractive force
7. We ______ isolate the south and north pole of a magnet.
(A) Can
(B) Cannot
(C) May
(D) None
Ans: (B) cannot
8. If a bar magnet is broken into two halves we get the two similar bar magnets with somewhat
(A) Same properties
(B) Stronger properties
(C) Weaker properties
(D) None
Ans: (C) weaker properties
9. The magnetic field lines of a magnet forms
(A) Continuous open loops
(B) Continuous closed loops
(C) Both (A) and (B)
(D) None
Ans: (B) continuous closed loops
10. The magnetic field lines start from ____ ____ and end on the _____.
(A) Negative charge, positive charge
(B) Positive charge, negative charge
(C) Positive charge, escape to infinity
(D) both (B) and (C)
Ans: (D) both (B) and (C)
11. The tangent at any point on the magnetic field line:
(A) Magnetic field at that point
(B) Represents the direction of the magnetic field
(C) Net electric field at that point
(D) None
Ans: (B) Represents the direction of the magnetic field
12. The tangent at any point on the electric field line gives:
(A) the direction of magnetic field at that point
(B) the direction of electric field at that point
(C) Both (A) and (B)
(D) None
Ans: (B) the direction of electric field at that point
13. The magnetic field lines
(A) Intersect each other
(B) Never intersect each other
(C) Both (A) and (B)
(D) None
Ans: (B) never intersect each other
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