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Heat and Energy PHYSICS - Heat and Energy

ICSE - STD 9 - PHYSICS (ICSE - English Medium). 92 questions in this chapter.

Question types

Heat and Energy question types

92 questions across 5 question groups — pick any mix to generate a PHYSICS paper with step-by-step answer keys.

92
Questions
5
Question groups
5
Question types
Sample Questions

Heat and Energy 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 global warming has resulted in :
  • A
    the increase in yield of crops
  • B
    the decrease in sea levels
  • C
    the decrease in human deaths
  • ✓
    the increase in sea levels

Answer: D.

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Q 2MCQ1 Mark
Without green house effect, the average temperature of Earth's surface would have been :
  • ✓
    $-18^\circ C$
  • B
    $33^\circ C$
  • C
    $0^\circ C$
  • D
    $15^\circ C$

Answer: A.

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Q 3MCQ1 Mark
The increase of carbon dioxide gas in atmosphere will cause
  • A
    Decrease in temperature
  • ✓
    Increase in temperature
  • C
    No change in temperature
  • D
    increase in humidity.

Answer: B.

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Q 25[5 Mark Question Answer]5 Marks
Describe an experiment to show that water has maximum density at $4^\circ C.$
What important consequences follow this peculiar property of water? Discuss the importance of this phenomenon in nature.
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