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प्राचीन भारत के दो प्रमुख वैद्य के नाम बताइये। NIOS Class 10 Social Science Chapter 1
प्राचीन भारत के दो प्रमुख वैद्य चरक और सुश्रुत थे। चरक: इन्हें आयुर्वेद के प्रमुख आचार्यों में गिना जाता है। चरक ने "चरक संहिता" लिखी, जिसमें चिकित्सा, रोगों के निदान और औषधियों का विस्तृत वर्णन है। यह ग्रंथ आंतरिक चिकित्सा (Internal Medicine) के लिए प्रसिद्ध है। सुश्रुत: इन्हें शल्य चिकित्सा (SurgeRead more
प्राचीन भारत के दो प्रमुख वैद्य चरक और सुश्रुत थे।
See lessचरक: इन्हें आयुर्वेद के प्रमुख आचार्यों में गिना जाता है। चरक ने “चरक संहिता” लिखी, जिसमें चिकित्सा, रोगों के निदान और औषधियों का विस्तृत वर्णन है। यह ग्रंथ आंतरिक चिकित्सा (Internal Medicine) के लिए प्रसिद्ध है।
सुश्रुत: इन्हें शल्य चिकित्सा (Surgery) का जनक माना जाता है। उन्होंने “सुश्रुत संहिता” लिखी, जिसमें शल्य चिकित्सा, अंग प्रत्यारोपण, और प्लास्टिक सर्जरी का वर्णन है।
इन दोनों ने चिकित्सा क्षेत्र में अमूल्य योगदान दिया, जिससे प्राचीन भारतीय चिकित्सा पद्धति का विकास हुआ।
निम्नलिखित कथनों में खाली स्थान भरिएः (क) …….. साहित्य में तोलकप्पियम आदि आरंभिक तमिल ग्रंथ हैं। (ख) ………………… पांड्य राजाओं की राजधानी थी। (ग) कनिष्क ………………… वंश का शासक था।
(क) .... संगम..... साहित्य में तोलकप्पियम आदि आरंभिक तमिल ग्रंथ हैं। (ख) ...मदुराई.... पांड्य राजाओं की राजधानी थी। (ग) कनिष्क ....कुषाण.... वंश का शासक था।
(क) …. संगम….. साहित्य में तोलकप्पियम आदि आरंभिक तमिल ग्रंथ हैं।
See less(ख) …मदुराई…. पांड्य राजाओं की राजधानी थी।
(ग) कनिष्क ….कुषाण…. वंश का शासक था।
Kepler discovered
Johannes Kepler, a renowned 17th-century astronomer, discovered the fundamental laws of planetary motion, which revolutionized our understanding of the solar system. His first law states that planets orbit the Sun in elliptical paths with the Sun at one focus. The second law, or the law of equal areRead more
Johannes Kepler, a renowned 17th-century astronomer, discovered the fundamental laws of planetary motion, which revolutionized our understanding of the solar system. His first law states that planets orbit the Sun in elliptical paths with the Sun at one focus.
See lessThe second law, or the law of equal areas, explains that a planet sweeps out equal areas in its orbit in equal times, indicating varying orbital speeds. His third law establishes a relationship between the orbital period and the distance of a planet from the Sun, revealing a consistent mathematical pattern. These laws laid the foundation for modern celestial mechanics.
A body is orbiting around earth at a mean radius which is two times as greater as the parking orbit of a geostationary satellite, the period of body is
A body orbits the Earth at a mean radius that is twice the distance of the parking orbit of a geostationary satellite. According to Kepler's third law, the orbital period of a body increases as the radius of its orbit becomes larger. In this case, the greater radius results in a longer orbital perioRead more
A body orbits the Earth at a mean radius that is twice the distance of the parking orbit of a geostationary satellite. According to Kepler’s third law, the orbital period of a body increases as the radius of its orbit becomes larger. In this case, the greater radius results in a longer orbital period. The body’s period is determined to be approximately 2√2 days, highlighting how the distance from the central body influences the time taken for one complete revolution around the Earth. This demonstrates the proportional relationship between orbital radius and time period.
See lessSatellite is revolving around earth. If its height is increased to four times the height of geostationary satellite, what will become its time period?
According to Kepler's law of periods, the ratio of the orbital periods of two planets is related to the ratio of their semi-major axes. Specifically, the ratio of the periods (T₂/T₁) equals the ratio of their radii raised to the power of three-halves. In this case, if the radius of the second planetRead more
According to Kepler’s law of periods, the ratio of the orbital periods of two planets is related to the ratio of their semi-major axes. Specifically, the ratio of the periods (T₂/T₁) equals the ratio of their radii raised to the power of three-halves. In this case, if the radius of the second planet is four times that of the first, the calculation shows that T₂/T₁ equals eight.
Therefore, if the orbital period of the first planet is 1 day, the orbital period of the second planet would be 8 days, demonstrating the significant impact of radius on orbital time.
According to Kepler’s law of periods,
See lessT₂/T₁ = (r₂/r₁)³/² = (4/1)³/² = 8
T₂ = 8T₁= 8 x 1 day = 8 days