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Agniveer Air Force Magnetism and Matter — practice questions

Explore 19 free Magnetism and Matter questions in Agniveer Air Force Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Magnetism and Matter questions and exercises with answers

Showing questions 1–19 of 19.

A freely suspended bar magnet settles pointing:Read the answer and worked solution →The tip of a magnet pointing to geographic north is its:Read the answer and worked solution →Cutting a bar magnet in half gives:Read the answer and worked solution →Magnetic field lines of a bar magnet form:Read the answer and worked solution →A bar magnet behaves like a magnetic:Read the answer and worked solution →Substances repelled by a magnetic field are:Read the answer and worked solution →Materials are classified by which quantity?Read the answer and worked solution →Substances that are weakly magnetised in a field are:Read the answer and worked solution →Substances that are strongly magnetised in a field are:Read the answer and worked solution →A ferromagnet is divided internally into regions called:Read the answer and worked solution →In an unmagnetised ferromagnet, the domains are:Read the answer and worked solution →Applying a field makes the domains:Read the answer and worked solution →Above a certain temperature, a ferromagnet becomes a:Read the answer and worked solution →The Earth's magnetic field runs approximately from geographic:Read the answer and worked solution →A bar magnet can be modelled as a large number of:Read the answer and worked solution →The magnetic moment of a bar magnet equals that of an equivalent:Read the answer and worked solution →Inside a diamagnetic material, the field is:Read the answer and worked solution →Diamagnetism arises in atoms whose electrons have no net:Read the answer and worked solution →Field lines of a bar magnet differ from an electric dipole's because they:Read the answer and worked solution →

Worked practice questions

A freely suspended bar magnet settles pointing:

  1. North and south
  2. East and westward
  3. Straight upward
  4. Straight downward
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Correct answer: A. North and south

1. The Earth itself behaves like a large magnet. 2. A free magnet lines up with that field. 3. It points in the north-south direction. 4. So the answer is north and south. _Source: syllabus Physics, Ch 5 'Magnetism and Matter'_

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The tip of a magnet pointing to geographic north is its:

  1. Equator
  2. North pole
  3. South pole
  4. Blank pole
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Correct answer: B. North pole

1. A suspended magnet has two distinguishable ends. 2. They are named by the direction each one seeks. 3. The end seeking geographic north is the north pole. 4. So the answer is north pole. _Source: syllabus Physics, Ch 5 'Magnetism and Matter'_

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Cutting a bar magnet in half gives:

  1. Two single poles
  2. One larger magnet
  3. One neutral metal
  4. Two bar magnets
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Correct answer: D. Two bar magnets

1. Each half keeps both kinds of pole. 2. Neither half is left with a single pole. 3. So you get two similar bar magnets. 4. The answer is two bar magnets. _Source: syllabus Physics, Ch 5 'Magnetism and Matter'_

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