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The Origin and Evolution of the Earth — Flashcards

CBSE · Class 11 · Geography

64 flashcards for The Origin and Evolution of the Earth (CBSE Class 11 Geography) to test yourself on key terms and facts.

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64 Flashcards·
पृथ्वी की उत्पत्तिOrigin of the EarthOrigin of the Universeब्रह्मांड की उत्पत्ति
Card 1पृथ्वी की उत्पत्ति

नीहारिका परिकल्पना क्या है?

Answer

नीहारिका परिकल्पना पृथ्वी की उत्पत्ति का एक प्रारंभिक सिद्धांत है। यह कहता है कि ग्रह एक युवा, धीरे-धीरे घूमते सूर्य से जुड़ी पदार्थ की एक बादल से बने। इमैनुअल कांट ने सबसे पहले यह विचार दिया, और लैप्…

Card 2Origin of the Earth

What is the Nebular Hypothesis?

Answer

Nebular Hypothesis is an early theory of the origin of the Earth. It says that the planets formed out of a cloud of material associated with a youthful, slowly rotating sun. Immanuel Kant first gave t…

Card 3Origin of the Earth

Who revised Kant’s idea in 1796 and what was the revised theory called?

Answer

Laplace revised Kant’s idea in 1796. The revised theory is known as the Nebular Hypothesis.

Card 4पृथ्वी की उत्पत्ति

1796 में कांट के विचार को किसने संशोधित किया और उस संशोधित सिद्धांत को क्या कहा गया?

Answer

लैप्लास ने 1796 में कांट के विचार को संशोधित किया। इस संशोधित सिद्धांत को नीहारिका परिकल्पना के नाम से जाना जाता है।…

Card 5पृथ्वी की उत्पत्ति

1950 में ओटो श्मिट और कार्ल वाइज़ैकर ने नीहारिका परिकल्पना में क्या परिवर्तन किया?

Answer

उन्होंने सुझाव दिया कि सूर्य के चारों ओर एक सौर नीहारिका थी जो मुख्य रूप से हाइड्रोजन और हीलियम, साथ ही धूल से बनी थी। कणों के घर्षण और टक्कर से एक चक्राकार बादल बना, और ग्रह अभिवृद्धि से बने।…

Card 6Origin of the Earth

How did Otto Schmidt and Carl Weizsäcker modify the Nebular Hypothesis in 1950?

Answer

They suggested that the sun was surrounded by a solar nebula made mostly of hydrogen and helium, along with dust. Friction and collision of particles formed a disk-shaped cloud, and planets formed by …

Card 7Origin of the Universe

What is the Big Bang Theory?

Answer

Big Bang Theory is the modern theory of the origin of the universe. It is also called the expanding universe hypothesis. It states that the universe began from a tiny, extremely hot and dense state an…

Card 8ब्रह्मांड की उत्पत्ति

बिग बैंग सिद्धांत क्या है?

Answer

बिग बैंग सिद्धांत ब्रह्मांड की उत्पत्ति का आधुनिक सिद्धांत है। इसे विस्तारशील ब्रह्मांड परिकल्पना भी कहा जाता है। यह बताता है कि ब्रह्मांड एक बहुत छोटे, अत्यंत गर्म और घने अवस्था से शुरू हुआ और तेजी स…

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Frequently Asked Questions

What are the important topics in The Origin and Evolution of the Earth for CBSE Class 11 Geography?
Key topics in The Origin and Evolution of the Earth include Early theories of the origin of the Earth, Modern theory of the origin of the universe, Stars, galaxies, and light year, Formation of planets. Study these first, then practise questions on each for Class 11 exams.
How many flashcards are available for The Origin and Evolution of the Earth?
There are 64 flashcards for The Origin and Evolution of the Earth covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise The Origin and Evolution of the Earth for Class 11 exams?
Learn the core ideas first, then work through the 76 practice questions on The Origin and Evolution of the Earth. Revise definitions regularly and use flashcards for quick recall before the exam.

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