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Geography

The heat budget of the earth

पृथ्वी का ऊष्मा बजट

Class 11 Geography explores the heat budget of the Earth as the balance between incoming solar radiation and outgoing terrestrial radiation. Students learn how the atmosphere, land, oceans, clouds, and ice reflect, absorb, store, and redistribute heat, and why the Earth’s average temperature remains broadly stable. The topic connects this balance with the greenhouse effect, latitudinal differences in heating, and the movement of heat through the atmosphere and oceans.

TOPIC PRACTICE

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Up to 25 questions from this page. Select your focus, then start.

25 questions

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Easy · Level 6
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  1. They can reflect solar energy and trap terrestrial heat
  2. They only bring earthquakes
  3. They change the distance of the Sun
  4. They reduce ocean depth
Easy · Level 6
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  1. Because clouds reflect part of solar energy
  2. Because clouds make the Sun bigger
  3. Because clouds burn the soil
  4. Because clouds stop gravity
Easy · Level 6
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  1. Because clouds return some heat emitted by Earth
  2. Because the Sun is hotter at night
  3. Because Earth stops rotating
  4. Because air disappears
Easy · Level 6
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  1. Surface and nearby air
  2. Only space
  3. Only the Moon
  4. Only Earth's core
Easy · Level 6
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  1. They absorb and store a large amount of heat
  2. They give energy to the Sun
  3. They remove the atmosphere
  4. They always stop radiation
Easy · Level 6
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  1. Balance of energy gain and energy loss
  2. Storage of all energy
  3. Complete absence of the Sun
  4. Absence of radiation
Easy · Level 6
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  1. Reflection
  2. Evaporation
  3. Condensation
  4. Melting
Easy · Level 6
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  1. Due to greenhouse gases
  2. Due to distance from the Sun
  3. Due to stopping of Earth's revolution
  4. Due to moonlight
Easy · Level 6
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  1. Insolation comes from the Sun and terrestrial radiation is emitted by Earth
  2. Both come only from the Moon
  3. Both are sea waves
  4. Both are not related to temperature
Easy · Level 6
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  1. When energy gain is greater than energy loss
  2. When energy gain is zero
  3. When there is no Sun
  4. When Earth neither emits nor receives energy
Easy · Level 6
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  1. जब ऊर्जा की हानि ऊर्जा की प्राप्ति से अधिक हो
  2. जब ऊर्जा की प्राप्ति और हानि बराबर हों
  3. जब अवशोषित सौर ऊर्जा में वृद्धि हो
  4. जब पृथ्वी की सतह से ऊष्मा का उत्सर्जन घट जाए
Easy · Level 6
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  1. Absorption of solar energy
  2. Population census
  3. Language family
  4. Hardness of minerals
Easy · Level 6
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  1. Absorbing reflecting and re-radiating energy
  2. Cutting Earth off from the Sun
  3. Ending oceans
  4. Melting all mountains
Easy · Level 6
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  1. Because insolation varies with latitude surface and clouds
  2. Because all places are the same
  3. Because the Sun shines only at night
  4. Because atmosphere does not exist
Easy · Level 6
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  1. Because sun rays fall obliquely
  2. Because there is no Sun there
  3. Because Earth is flat
  4. Because clouds are always black
Easy · Level 6
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  1. Because sun rays are more direct
  2. Because the Sun is smaller there
  3. Because there is no atmosphere there
  4. Because the surface receives no energy
Easy · Level 6
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  1. So that Earth does not become extremely hot
  2. So that the Sun becomes cold
  3. So that oceans end
  4. So that day stops
Easy · Level 6
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  1. Atmosphere
  2. Inner core
  3. Mantle
  4. Ocean floor
Easy · Level 6
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  1. Energy comes from Sun surface heats Earth emits energy
  2. Energy comes from Earth Sun heats Moon forms
  3. Oceans dry Sun stops atmosphere forms
  4. Moon gives energy Earth becomes still Sun ends
Easy · Level 6
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  1. Dark surfaces absorb more and bright surfaces reflect more
  2. All colours receive equal energy
  3. Colour has no relation with solar energy
  4. Only red colour creates energy
Easy · Level 6
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  1. Because it continuously receives energy from the Sun
  2. Because Earth loses no energy
  3. Because the Moon is bigger than the Sun
  4. Because air destroys energy
Easy · Level 6
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  1. Because it absorbs energy and then radiates it
  2. Because it creates the Sun
  3. Because it is separate from atmosphere
  4. Because it is not affected by energy
Easy · Level 6
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  1. Earth's energy input and output together create temperature balance
  2. Earth only gives energy to the Sun
  3. Atmosphere has no relation with temperature
  4. Solar energy never reaches Earth
Easy · Level 6
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  1. Ocean salinity ends immediately
  2. Ground and lower air get heated
  3. Earth's rotation stops
  4. Moonlight increases
Easy · Level 6
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  1. Only rainfall and snowfall
  2. Only rivers and lakes
  3. Received reflected and emitted energy
  4. Only population and settlements

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