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Magnetism. Science - Magnetism.

Tamil Nadu Board - STD 8 - Science (Tamil - English Medium). 49 questions in this chapter.

Question types

Magnetism. question types

49 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

49
Questions
8
Question groups
5
Question types
Sample Questions

Magnetism. questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M C Q1 Mark
Attractive property of a magnet is more at the………
  • A
    North pole
  • B
    South pole
  • ✓
    both a & b
  • D
    middle

Answer: C.

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Q 2M C Q1 Mark
Who laid the foundation for magnetism and suggested that the Earth has a giant bar magnet?
  • A
    Einstein
  • B
    Newton
  • C
    Galileo
  • ✓
    William Gilbert

Answer: D.

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Q 3M C Q1 Mark
is the ore of iron which is the strongest natural magnet.
  • ✓
     Iron oxide
  • B
    Iron sulphide
  • C
    Ferrite
  • D
    Columbine

Answer: A.

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Q 4M C Q1 Mark
It is believed that the had known the property of magnet even before 200 BC.
  • A
    Indians
  • B
    Japanese
  • ✓
    Chinese
  • D
    Americans

Answer: C.

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Q 5M C Q1 Mark
A compass is used for ______.
  • A
    plotting magnetic lines
  • B
    detection of magnetic field
  • C
    navigation
  • D
    All of these
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Q 11Assertion & Reason1 Mark
Consider the statement given below and choose the correct option.
Assertion: The Earth’s magnetic field is due to iron present in its core.
Reason: At a high temperature a magnet loses its magnetic property or magnetism.
  • A
    Both assertion and reason are true and reason is the correct explanation of assertion.
  • B
    Both assertion and reason are true, but reason is not the correct explanation of assertion.
  • C
    Assertion is true, but reason is false.
  • D
    Assertion is false, but reason is true.
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Q 12Assertion & Reason1 Mark
Consider the statement given below and choose the correct option.
Assertion: Iron filings are concentrated more at the magnetic poles.
Reason: The magnets are so sharp.
  • A
    Both assertion and reason are true and reason is the correct explanation of assertion.
  • ✓
    Both assertion and reason are true, but the reason is not the correct explanation of assertion.
  • C
    Assertion is true, but reason is false.
  • D
    Assertion is false, but reason is true.

Answer: B.

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Q 24Match The Following.4 Marks
Match the following.
Magnetite Magnetic lines
A tiny pivoted magnet Natural magnet
Cobalt Compass box
Closed curves Ferromagnetic material
Bismuth Diamagnetic material
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