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Continuous Charge Distribution Introduction :- The source of Electric Field is either a POINT CHARGE or a CONTINUOUS DISTRIBUTION OF CHARGES. On microscopic level every material is actually a discontinuous distribution of particles called atoms/molecules, separated by intervening space. Even if we talk about a cup of water(≅250ml), then at microscopic level it is…
Electric Field Intensity In the previous article The Electric Field Concept we studied about the region around a charge particle, called “Electric Field”. It is the region surrounding a charge (or charge distribution) in which its electrical effects are perceptible. Now In order to explain the strength of ‘action at a distance’, i.e.,…
The Electric Field Concept From Coulomb’s Law, , we conclude that Electric and magnetic forces are :- Non-Contact Forces i.e. no physical contact is required for one charge particle to exert a force on another charge particle and they are Long-Range Forces i.e. one charge particle exert electric force on another charge particle even…
Nature of Light The scientific study of the behavior of light is called optics and it covers :- Reflection of light by a mirror or other object, Refraction by a lens or prism, Diffraction of light as it passes by the edge of an opaque object Interference patterns resulting from diffraction and polarization…
द्विधातु पट्टी(Bimetallic strip) का थर्मोस्टैट्स में प्रयोग हम जानते हैं कि हर धातु गर्म होने पर प्रसारित होती है, पदार्थों के इस गुण को तापीय प्रसार कहा जाता है। अब प्रसार की मात्रा विभिन्न पदार्थों के लिए अलग-अलग होती है और यह पदार्थों के गुण, तापीय प्रसार गुणांक (γ) द्वारा निर्धारित की जाती…
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Bimetallic Strip We know that every metal expands when it is heated, this property of materials is called thermal expansion. Now the amount of expansion is different for different materials and is determined by a property called coefficient of thermal expansion(γ). The materials having higher coefficient of thermal expansion than others, expands more…
उत्प्लावन बल पर तापमान का प्रभाव उत्प्लावन बल पर तापमान का प्रभाव :- हम जानते हैं कि जब भी किसी ठोस वस्तु को किसी द्रव में आंशिक रूप से या पूर्ण रूप से डुबोया जाता है, तो हवा में उसके वजन की तुलना में द्रव में इसका वजन कम प्रतीत होता है। इसका…
Effect of Temperature on Upthrust In this article we are going to discuss about the Effect of Temperature on Upthrust as the temperature of a body which is changed. We know that whenever a body is immersed in a liquid, partially or completely, its weight appears to be less in comparison to its weight…
दो द्रढ़ आधारों के बीच रखी छड़ में तापीय प्रतिबल इस लेख मे हम एक छड, जिसे दो द्रढ़ आधारों के मध्य रखा गया है, की सहायता से तापीय प्रतिबल को समझेंगे। माना L0 लंबाई और यंग गुणांक Y की एक छड़, दो द्रढ़ आधारों के बीच रखी है। माना इसे कुछ समय…
Thermal Stress in a Rod fixed between two rigid supports In this article we are going to discuss about thermal stress produced in a rod which is fixed between two rigid supports. Consider a rod of length L0 with Young’s modulus Y is fixed between two rigid supports. Let it is heated for…
