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Recoil of Gun | Recoil of Gun is an example of Law of conservation of linear momentum Recoil of Gun is an example of Law of Conservation of Linear Momentum. Initially when the gun is not fired, the gun as well as the bullet inside it is at rest. So total momentum of system(Gun +…
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संवेग संरक्षण का नियम संवेग संरक्षण का नियम :- रेखीय संवेग संरक्षण के नियमानुसार, ‘यदि किसी निकाय पर लगने वाला कुल बाह्य बल शुन्य हो तो निकाय का कुल रेखीय संवेग नियत(संरक्षण) रहता है’। न्यूटन के द्वितीय नियम से किसी निकाय के रेखीय संवेग में परिवर्तन की दर उस पर लगने वाले कुल…
Law of Conservation of Linear Momentum Law of Conservation of Linear Momentum :- According to the law of conservation of linear momentum, ‘if the total external force acting on a system is zero, then the total linear momentum of the system remains constant’. According to Newton’s second law, the rate of change of…
ऊष्मा का यांत्रिक तुल्यांक ऊष्मा का यांत्रिक तुल्यांक :- प्रारंभ में ऊष्मा को ऊर्जा का एक रूप नहीं माना जाता था। ऊष्मा को किसी वस्तु का तापमान बढ़ाने अथवा उसकी अवस्था परिवर्तित करने के लिए आवश्यक एक राशि के रूप में जाना जाता था। जेम्स प्रेस्कॉट जूल (James Prescott Joule) ने सर्वप्रथम प्रयोगात्मक रूप…
Mechanical Equivalent of Heat Mechanical Equivalent of Heat :- In early days heat was not recognized as a form of energy. Heat was supposed to be something needed to raise the temperature of a body or to change its phase. James Prescott Joule first experimentally found that the “heat produced in a system is…
Heat | Heat Energy Heat | Heat Energy :- Heat is a form of energy that is being transferred from one body to another or between adjacent parts of a body as a result of temperature difference. When a body is heated, its temperature increases and molecules begin to move with greater kinetic energy….
ऊष्मा | ऊष्मा किसे कहते हैं ऊष्मा | ऊष्मा किसे कहते हैं :- ऊष्मा ऊर्जा का एक रूप है जो तापांतर के परिणामस्वरूप एक वस्तु से दूसरी वस्तु में या एक ही वस्तु के एक भाग से दुसरे भाग तक स्थानांतरित होती है। जब किसी पिंड को गर्म किया जाता है, तो उसका तापमान…
Free Body Diagram Free Body Diagram(F.B.D.) :- In a system when several bodies are connected by strings, springs, surfaces of contact, then all the forces acting on the body are sketched by isolating the body from its surroundings. This diagram is called free body diagram. In order to draw F.B.D., the following points are…
Nuclear Stability Nuclear Stability :- Atomic nucleus is a densely packed collection of protons and neutrons. The very large electrostatic repulsive forces between protons should cause the nucleus to fly apart but nucleons are able to stay together because of strong Nuclear Force. There are 118 different elements. All these elements have isotopes and as…
Nuclear Forces | Nuclear Forces Definition Nuclear Forces | Nuclear Forces Definition :- In previous article Binding Energy Per Nucleon we have seen that for average mass nuclei the binding energy per nucleon is approximately 8 MeV, which is very large. Therefore, a question came to the minds of scientists that what force holds…