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There are four light-weight-rod samples A,B,C,D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted
(i) A is feebly repelled
(ii) B is feebly attracted
(iii) C is strongly attracted
(iv) D remains unaffected
Which one of the following is true?
Options
(a) B is of a paramagnetic material
(b) C is of a diamagnetic material
(c) D is of a ferromagnetic material
(d) A is of a non-magnetic material
Correct Answer:
B is of a paramagnetic material
Explanation:
A → diamagnetic
B → paramagnetic
C → Ferromagnetic
D → Non magnetic
Related Questions: - Two discs of same material and thickness have radii 0.2 m and 0.6 m.
- For the normal eye, the cornea of eye provides a converging power of 40D
- A national roadway bridge over a canal is in the form of an arc of a circle of radius
- A car sounding a horn of frequency 100 Hz passes an observer. The ratio
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
- For the normal eye, the cornea of eye provides a converging power of 40D
- A national roadway bridge over a canal is in the form of an arc of a circle of radius
- A car sounding a horn of frequency 100 Hz passes an observer. The ratio
- When two identical capacitors are in series, they have 3 μF capacitance
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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