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Astronomy in India

CBSE · Class 11 · Knowledge Traditions and Practices of India

Flashcards for Astronomy in India — CBSE Class 11 Knowledge Traditions and Practices of India. Quick Q&A cards covering key concepts, definitions, and formulas.

126 questions82 flashcards5 concepts

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82 Flashcards
Card 1खगोलशास्त्र का परिचय

खगोलशास्त्र क्या है?

Answer

खगोलशास्त्र आकाश में दिखाई देने वाली वस्तुओं का अध्ययन है। इसमें सूर्य, चंद्रमा, तारे, ग्रह, ग्रहण और अन्य खगोलीय घटनाएँ शामिल हैं।

Card 2Introduction to astronomy

What is astronomy?

Answer

Astronomy is the study of objects seen in the sky. It includes the Sun, Moon, stars, planets, eclipses, and other celestial events.

Card 3Importance of astronomy

Why did ancient people pay close attention to the sky?

Answer

They needed to understand seasons, rainfall, festivals, marriages, fasting days, and other important events. They also saw eclipses, comets, and shooting stars as significant happenings, so astronomy

Card 4खगोलशास्त्र का महत्व

प्राचीन लोग आकाश पर इतना ध्यान क्यों देते थे?

Answer

उन्हें ऋतुओं, वर्षा, त्योहारों, विवाहों, उपवास के दिनों और अन्य महत्वपूर्ण घटनाओं को समझने की आवश्यकता थी। वे ग्रहणों, धूमकेतुओं और टूटते तारों को भी महत्वपूर्ण घटनाएँ मानते थे, इसलिए खगोलशास्त्र दैनि

Card 5भारतीय पंचांग प्रणाली

हिंदू पंचांग क्या है?

Answer

हिंदू पंचांग एक चंद्र-सौर पंचांग है। इसमें त्योहारों और शुभ दिनों को तय करने के लिए चंद्रमा का उपयोग किया जाता है, और दिन-प्रतिदिन के जीवन को नियमित करने के लिए सूर्य का।

Card 6Indian calendar system

What is the Hindu calendar?

Answer

The Hindu calendar is a luni-solar calendar. It uses the Moon to fix festivals and auspicious days, and the Sun to regulate day-to-day life.

Card 7Moon’s motion

How long is the Moon’s sidereal period and synodic period?

Answer

The Moon’s sidereal period with respect to the stars is 27.3 days. The period observed from the moving Earth around the Sun is 29.5 days.

Card 8चंद्रमा की गति

चंद्रमा की siderial period और synodic period कितनी होती हैं?

Answer

तारों के सापेक्ष चंद्रमा की siderial period 27.3 days है। सूर्य के चारों ओर घूमती पृथ्वी के संदर्भ में देखी गई अवधि 29.5 days है।

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Frequently Asked Questions

What are the important topics in Astronomy in India for CBSE Class 11 Knowledge Traditions and Practices of India?
Astronomy in India covers several key topics that are frequently asked in CBSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Astronomy in India — CBSE Class 11 Knowledge Traditions and Practices of India?
Understand the core concepts first, then work through the 126 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
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There are 82 flashcards for Astronomy in India covering key definitions, formulas, and concepts. Use them daily for 10–15 minutes for best results.

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