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Geography The heat budget of the earth MCQ Questions for Class 11 Science

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पृथ्वी का ऊष्मा बजट किस बात को दर्शाता है?

What does the heat budget of the earth show?

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Correct Answer

A. आगत और निर्गत ऊर्जा का संतुलनBalance of incoming and outgoing energy

Step 1

Concept

Heat budget is the account of energy received and lost by Earth. For exams remember it as energy balance.

Step 2

Why this answer is correct

The correct answer is A. आगत और निर्गत ऊर्जा का संतुलन / Balance of incoming and outgoing energy. Heat budget is the account of energy received and lost by Earth. For exams remember it as energy balance.

Step 3

Exam Tip

ऊष्मा बजट पृथ्वी पर आने और बाहर जाने वाली ऊर्जा का हिसाब है। परीक्षा में इसे ऊर्जा संतुलन की तरह याद रखें।

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पृथ्वी को ऊष्मा का मुख्य स्रोत क्या है?

What is the main source of heat for the earth?

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Correct Answer

B. सूर्यSun

Step 1

Concept

Most of Earths heat comes from solar radiation received from the Sun. In exams treat the Sun as the main energy source.

Step 2

Why this answer is correct

The correct answer is B. सूर्य / Sun. Most of Earths heat comes from solar radiation received from the Sun. In exams treat the Sun as the main energy source.

Step 3

Exam Tip

पृथ्वी की अधिकतर ऊष्मा सूर्य से प्राप्त सौर विकिरण से आती है। परीक्षा में सूर्य को मुख्य ऊर्जा स्रोत मानें।

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ऊष्मा बजट में आगत ऊर्जा का अर्थ क्या है?

What does incoming energy mean in heat budget?

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Correct Answer

C. पृथ्वी तक पहुंचने वाली सौर ऊर्जाSolar energy reaching Earth

Step 1

Concept

Incoming energy is solar energy reaching Earths atmosphere and surface. In exams understand incoming as energy from the Sun.

Step 2

Why this answer is correct

The correct answer is C. पृथ्वी तक पहुंचने वाली सौर ऊर्जा / Solar energy reaching Earth. Incoming energy is solar energy reaching Earths atmosphere and surface. In exams understand incoming as energy from the Sun.

Step 3

Exam Tip

आगत ऊर्जा वह सौर ऊर्जा है जो पृथ्वी के वातावरण और सतह तक पहुंचती है। परीक्षा में आगत को सूर्य से आई ऊर्जा समझें।

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ऊष्मा बजट में निर्गत ऊर्जा मुख्यतः किस रूप में जाती है?

In heat budget outgoing energy mainly leaves in which form?

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Correct Answer

D. लंबी तरंग पार्थिव विकिरणLongwave terrestrial radiation

Step 1

Concept

Earth sends absorbed energy out as longwave radiation. In exams link outgoing energy with terrestrial radiation.

Step 2

Why this answer is correct

The correct answer is D. लंबी तरंग पार्थिव विकिरण / Longwave terrestrial radiation. Earth sends absorbed energy out as longwave radiation. In exams link outgoing energy with terrestrial radiation.

Step 3

Exam Tip

पृथ्वी अवशोषित ऊर्जा को लंबी तरंग विकिरण के रूप में बाहर भेजती है। परीक्षा में निर्गत ऊर्जा को पार्थिव विकिरण से जोड़ें।

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सौर विकिरण को सामान्यतः किस प्रकार की तरंग माना जाता है?

Solar radiation is generally considered what type of radiation?

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Correct Answer

A. छोटी तरंग विकिरणShortwave radiation

Step 1

Concept

Energy from the Sun comes as shortwave radiation. In exams call solar energy shortwave radiation.

Step 2

Why this answer is correct

The correct answer is A. छोटी तरंग विकिरण / Shortwave radiation. Energy from the Sun comes as shortwave radiation. In exams call solar energy shortwave radiation.

Step 3

Exam Tip

सूर्य से आने वाली ऊर्जा छोटी तरंग विकिरण के रूप में आती है। परीक्षा में सौर ऊर्जा को छोटी तरंग कहें।

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पार्थिव विकिरण का अर्थ क्या है?

What is meant by terrestrial radiation?

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Correct Answer

B. पृथ्वी द्वारा छोड़ी गई ऊष्मा ऊर्जाHeat energy emitted by Earth

Step 1

Concept

Earth emits its absorbed energy as longwave heat. In exams understand terrestrial radiation as Earths heat.

Step 2

Why this answer is correct

The correct answer is B. पृथ्वी द्वारा छोड़ी गई ऊष्मा ऊर्जा / Heat energy emitted by Earth. Earth emits its absorbed energy as longwave heat. In exams understand terrestrial radiation as Earths heat.

Step 3

Exam Tip

पृथ्वी अपनी अवशोषित ऊर्जा को लंबी तरंग ऊष्मा के रूप में छोड़ती है। परीक्षा में पार्थिव विकिरण को पृथ्वी की ऊष्मा समझें।

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पृथ्वी पर आने वाली कुल सौर ऊर्जा को सरल रूप में कितनी इकाई मानकर समझाया जाता है?

Incoming solar energy is commonly explained by taking how many units?

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Correct Answer

C. सौ इकाईHundred units

Step 1

Concept

Heat budget is commonly explained by taking solar energy as hundred units. In exams remember the hundred unit base.

Step 2

Why this answer is correct

The correct answer is C. सौ इकाई / Hundred units. Heat budget is commonly explained by taking solar energy as hundred units. In exams remember the hundred unit base.

Step 3

Exam Tip

ऊष्मा बजट को समझाने के लिए सौर ऊर्जा को सामान्यतः सौ इकाई माना जाता है। परीक्षा में सौ इकाई वाला आधार याद रखें।

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सौ इकाई सौर ऊर्जा में से लगभग कितनी इकाई अंतरिक्ष में परावर्तित हो जाती है?

Out of hundred units of solar energy about how many units are reflected back to space?

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Correct Answer

D. पैंतीस इकाईThirty five units

Step 1

Concept

About thirty five units are reflected by clouds atmosphere and surfaces. In exams remember the reflected part as thirty five units.

Step 2

Why this answer is correct

The correct answer is D. पैंतीस इकाई / Thirty five units. About thirty five units are reflected by clouds atmosphere and surfaces. In exams remember the reflected part as thirty five units.

Step 3

Exam Tip

लगभग पैंतीस इकाई ऊर्जा बादलों वातावरण और सतहों से परावर्तित हो जाती है। परीक्षा में परावर्तित भाग को पैंतीस इकाई याद रखें।

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सौ इकाई सौर ऊर्जा में से लगभग कितनी इकाई पृथ्वी और वायुमंडल द्वारा अवशोषित होती है?

Out of hundred units of solar energy about how many units are absorbed by Earth and atmosphere?

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Correct Answer

A. पैंसठ इकाईSixty five units

Step 1

Concept

Out of hundred units about sixty five units are absorbed by Earth and atmosphere. In exams remember the absorbed part as sixty five units.

Step 2

Why this answer is correct

The correct answer is A. पैंसठ इकाई / Sixty five units. Out of hundred units about sixty five units are absorbed by Earth and atmosphere. In exams remember the absorbed part as sixty five units.

Step 3

Exam Tip

सौ में से लगभग पैंसठ इकाई ऊर्जा पृथ्वी और वायुमंडल में अवशोषित होती है। परीक्षा में अवशोषित भाग को पैंसठ इकाई याद रखें।

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लगभग इक्यावन इकाई सौर ऊर्जा किसके द्वारा अवशोषित मानी जाती है?

About fifty one units of solar energy are considered absorbed by what?

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Correct Answer

B. पृथ्वी की सतहEarth surface

Step 1

Concept

In heat budget about fifty one units are absorbed by Earths surface. In exams remember the surface share as fifty one units.

Step 2

Why this answer is correct

The correct answer is B. पृथ्वी की सतह / Earth surface. In heat budget about fifty one units are absorbed by Earths surface. In exams remember the surface share as fifty one units.

Step 3

Exam Tip

ऊष्मा बजट में लगभग इक्यावन इकाई ऊर्जा पृथ्वी की सतह द्वारा अवशोषित होती है। परीक्षा में सतह का हिस्सा इक्यावन इकाई याद रखें।

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