Classify the following particles as Baryons, Mesons and Leptons:
µ, νe, Σ+, Λ, p, K+, n0, π+
The muon (µ) is a lepton, as it belongs to the family of particles that do not interact via the strong force. The electron neutrino (νe) is also _____ ____ _________ _____ _______.
________ ______ ______ ________ ______.
__________ ____ ______ _________ ____ _______ _______ _______ __________ __________.
______ ___ ____ __________ _________ ____ __________ ___ ________ ____ ___.
__________ _______ ________ __________ __________ ___ ______ ___.
___ ____ ___ ____ _________ ______ ___ __________ _____ _____ ____.
______ __________ ___ _______ ____ ___ __________ _________ _________ ______ __________ ____.
__________ _____ __________ _________ ___ ______ ___ _____ _________ _______.
________ ________ ________ ___ ______ ____ ___.
_________ ______ ________ ______ ____ ________ ________ ___ ______ ____.
_________ _____ ___ ___ _______ ______ _________ _________ __________ __________.
________ _________ ____ ________ _________ ________ ____.
_______ _______ _________ _______ ____ _________.
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सिद्ध करें कि जब एक आपेक्षिकीय कण की गतिज ऊर्जा उसके विराम ऊर्जा के बराबर होती है, तब कण की चाल ~ 0.866c होगी।
The quantum mechanical wave function for a particle is given by
.
Determine (i) The normalization constant A and (ii) the most probable position of the particle.
रेडोन की अर्ध-आयु 3.82 दिन है। रेडोन के 60 प्रतिशत नमूने को क्षय होने में कितना समय लगेगा?
एक X किरण नलिका 40 kV पर कार्य करती है। इन उत्सर्जित किरणों की सबसे कम तरंगदैर्ध्य परिकलित कीजिए।
Neutral hydrogen atoms are moving along the axis of an evacuated tube with a speed of 2.0 × 106 ms-1 . A spectrometer is arranged to receive light emitted by these atoms in the direction of their forward motion. This light, if emitted from resting hydrogen atoms, would have a measured wavelength of 486.13 nm. Calculate the expected wavelength for light emitted from the approaching atoms, using the relativistic formula.
Two spacecrafts A and B moving in opposite directions are each approaching the moon with speeds of 2.2 × 108 ms-1 and 2.5 × 108 ms-1 , respectively, as observed by an observer on the moon. Calculate the speed of A with which it is
(i) approaching the moon, and
(ii) approaching B, as observed by an observer in A.
हाइड्रोजन परमाणु के फलन तरंगों (i) Ψ210 और (ii) Ψ300 के मान लिखें। हाइड्रोजन परमाणु की मूल अवस्था के लिए r का प्रत्याशा मान प्राप्त करें।