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Showing posts from May, 2021

Bhupal Nobles' University, Udaipur Convocation | भूपाल नोबल्स विश्वविद्यालय, उदयपुर दीक्षांत समारोह

भूपाल नोबल्स विश्वविद्यालय दीक्षांत समारोह महाराणा प्रताप स्टेशन रोड, सेवाश्रम सर्कल, उदयपुर। भूपाल नोबल्स विश्वविद्यालय उदयपुर द्वारा वर्ष 2018 से 2024 तक की स्नातक एवं स्नातकोत्तर परीक्षा में उत्तीर्ण एवं विद्यावाचस्पति (Ph.D.) उपाधिधारियों के लिए दीक्षान्त समारोह 27 मार्च 2025 गुरूवार को प्रातः 10:30 बजे आयोजित करने का निश्चित हुआ है। दीक्षान्त समारोह में 2020 से 2025 तक की विद्यावाचस्पति की उपाधियों तथा स्नातक एवं स्नातकोत्तर परीक्षाओं में वर्ष 2024 तक प्रथम स्थान प्राप्त करने वाले छात्रों को उपाधि एवं स्वर्ण पदक प्रदान किए जायेंगे। अतः जो उपाधिधारी उक्त समारोह में उपाधि प्राप्त करने के इच्छुक हों, वे समारोह में उपस्थित होने की लिखित सूचना के साथ स्नातक एवं स्नातकोत्तर प्रथम वरीयता प्राप्त छात्रों हेतु, पंजीकरण शुल्क ₹500 व उपाधि शुल्क ₹5000 (कुल ₹5500) एवं विद्यावाचस्पति (Ph.D.), शोधार्थी पंजीकरण शुल्क ₹500 व उपाधि शुल्क ₹5000 (कुल ₹5500) नकद अथवा डिमाण्ड ड्राफ्ट भूपाल नोबल्स विश्वविद्यालय, उदयपुर के नाम बनाकर कुलसचिव, भूपाल नोबल्स विश्वविद्यालय, उदयपुर को दिनांक 17.03.2025 तक ...
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Grand canonical ensemble | Statistical mechanics | L-9

Grand canonical ensemble Grand canonical ensemble Microcanonical ensemble is a collection of independent assemblies in which energy (E), volume (V), and number of particles (N) remain constant. Canonical ensemble is a collection of independent assemblies in which temperature (T), volume (V), and number of particles (N) remain constant. It mean a microcanonical ensemble ⟶ Canonical ensemble, if we ignore the condition E = constant. Therefore the energy exchange takes place in this ensemble. Actually in chemical process, the number of particles N varies and it is very difficult to keep the number of particles constant in various phenomenon like radioactive decay process. Thus grand canonical ensemble is an ensemble in which the exchange of energy as well as the number of particles takes place with the heat reservoir. The grand canonical ensemble is a collection of essentially independent assemblies having the same temperature T, volume V, and a chemical potential µ....
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Liquid helium as a Boson system | Statistical physics

Liquid helium as a Boson system Ordinary helium consists almost entirely of neutral atom of the isotope 2 He 4 . Since the total angular momentum of these atom is zero, so it follow the Bose-Einstein statistics. Properties of helium at low temperature The helium gas at atmospheric pressure condenses at 4.3K temperature into a liquid helium having critical temperature 5.2K, and the density of this liquid helium is very low (ρ = 0.124 g/cm 3 ). On further cooling the helium to about 0.82K, it does not freeze, and the liquid helium remains into liquid state up to absolute zero temperature i.e., T = 0K. It means the helium does not solidified at atmospheric pressure. To get the solid state of helium, it is subjected to an external pressure of at least 23atm. Phase transition of liquid He For He 4 in liquid phase, there is another phase transition (λ-transition), which divides the liquid state into two phases HeI and HeII. While liquefying He at...
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Rectangular Cavity Resonator | Microwave electronics

Rectangular cavity resonator A rectangular cavity resonator is a piece of rectangular waveguide of dimension a, b, and c. In figure a rectangular cavity resonator of sides a, b, c is shown. TE waves in a rectangular cavity resonator Here we will consider about two transverse electric waves, out of two one moves in +z direction and another in -z direction. Let the transverse component of electric field for TE waves propagating along +z direction be This equation give the resonant frequencies for different sets of m, n, p for different cavity modes. If two or more independent cavity modes have the same resonant frequencies then it is known as degenerate frequency. It is found that the modes TE 000 , TE 001 , TE 010 and TE 100 do not exist in the cavity. The lowest modes (dominant mode), which are possible in TE mode are TE 101 , TE 011 etc. The allowed frequencies corresponding to dominant modes is fundamental frequency. To know more about...
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Determination of size of lycopodium power | Second year practical physics

Determination of size of lycopodium power by forming diffraction fringes Sample reading Table for first order diffraction ring Table for second order diffraction ring Note:   Above readings are only for reference, students should perform the practical in their laboratory and get their own readings.
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