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Ghatika Yantra Video Lecture | Science (Curiosity) Class 7 - New NCERT
FAQs on Ghatika Yantra Video Lecture - Science (Curiosity) Class 7 - New NCERT
| 1. What is Ghatika Yantra and its significance in mathematics? |  |
Ans. Ghatika Yantra is an ancient Indian mathematical instrument used for measuring time and angles. It is significant because it reflects the advanced understanding of mathematics and astronomy in ancient India. The Ghatika Yantra helps in calculating various astronomical events and can be used to teach concepts of geometry and time calculation to students, making it a useful educational tool.
| 2. How is Ghatika Yantra constructed and what materials are used? | |
Ans. Ghatika Yantra is typically constructed using materials like wood, metal, or stone. The design includes a circular base with markings to represent time divisions and a gnomon (a vertical stick or pillar) that casts a shadow. The construction involves precise measurements to ensure accuracy in time-telling and angle measurement, making it an interesting project for students to learn about geometry and engineering.
| 3. Can Ghatika Yantra be used in modern education? | |
Ans. Yes, Ghatika Yantra can be effectively used in modern education to teach students about the history of mathematics, the concept of time, and the relationship between geometry and astronomy. By using this ancient tool, teachers can engage students with hands-on activities that illustrate mathematical principles and encourage interest in historical scientific instruments.
| 4. What are the mathematical concepts that can be learned through Ghatika Yantra? | |
Ans. Through Ghatika Yantra, students can learn various mathematical concepts including time measurement, angles, geometry, and the relationship between shadows and light. It also introduces students to concepts like trigonometry when discussing the angles of the gnomon and the lengths of shadows, providing a practical application of these mathematical ideas.
| 5. Are there any historical references to Ghatika Yantra in ancient texts? | |
Ans. Yes, Ghatika Yantra is mentioned in several ancient Indian texts, including those related to astronomy and mathematics. Scholars like Aryabhata and Brahmagupta have referenced similar instruments in their works. These historical references highlight the importance of such tools in the development of mathematical knowledge in ancient India and their role in advancing scientific understanding.
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