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Heat Transfer PHYSICS - Heat Transfer

ICSE - STD 8 - PHYSICS (ICSE - English Medium). 60 questions in this chapter.

Question types

Heat Transfer question types

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

60
Questions
8
Question groups
5
Question types
Sample Questions

Heat Transfer questions

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

Q 1MCQ1 Mark
The type of thermal expansion that takes place in gases is
  • A
    linear expansion.
  • B
    superficial expansion,
  • ✓
    cubical expansion.
  • D
    all of these

Answer: C.

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Q 2MCQ1 Mark
The factors on which linear expansion depend on are
  • A
    original length of the solid.
  • B
    increase in the temperature of the solid.
  • C
    nature of the solid.
  • ✓
    all of these

Answer: D.

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Q 3MCQ1 Mark
The liquid that expands the minimum on heating is
  • A
    benzene.
  • ✓
    water.
  • C
    alcohol.
  • D
    ether.

Answer: B.

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Q 4MCQ1 Mark
There are four iron rods $R_1, R_2, R_3$ and $R_4$ of the same dimensions. The temperature of $R_1$ is raised to $500^\circ C,$ that of $R_2$ to $250^\circ C,$ that of $R_3$ to $1000^\circ C$ and that of $R_4$ to $800^\circ C$. Which rod will have the maximum linear expansion?
  • A
    $R_1$
  • B
    $R_2$
  • ✓
    $R_3$
  • D
    $R_4$

Answer: C.

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Q 5MCQ1 Mark
The length of an iron rod increases from $10\  m$ to $11\ m$, when kept over a burner flame. This increase in length is due to
  • A
    cubical expansion.
  • ✓
    linear expansion.
  • C
    superficial expansion.
  • D
    solidification.

Answer: B.

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Q 32Match the following.5 Marks
$1.$Expansion in length $a.$evaporation
$2.$ Water to water vapour at $100^\circ C$ $b.$superficial expansion
$3.$Expansion in volume $c.$linear expansion
$4.$Expansion in area $d.$boiling
$5.$Water to water vapour at $25^\circ C$ $e.$cubical expansion
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