Two energy levels of an atomic system are separated by energy corresponding to frequency . Assume that all atoms are in one or the other of these two energy levels, compute the fraction of atoms in the upper energy level at temperature
. Take
and
.
We are asked to compute the fraction of atoms in the upper energy level using the Boltzmann distribution. Let’s solve step by step. The fraction of atoms in the upper energy level ( n_2 ) is given by: [ \frac{n_2}{n_1 + n_2} _________ ___ _____ _________ __________.
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Two energy levels of an atomic system are separated by energy corresponding to frequency . Assume that all atoms are in one or the other of these two energy levels, compute the fraction of atoms in the upper energy level at temperature
. Take
and
.
द्विक-रेखाछिद्र प्रयोग में प्रयुक्त दो प्रकाश पुंजों में से एक प्रकाश पुंज के पथ में एक पतली पारदर्शी पट्टिका रख दी जाती है। फ्रिंज प्रतिरूप विस्थापन का व्यंजक प्राप्त करें।
Discuss the concept of missing orders with reference to double slit diffraction pattern.
परावर्तन द्वारा प्रकाश ध्रुवण की व्याख्या करें। आपतित प्रकाशा के आपतन कोण पर ध्रुवण की निर्भरता की समीक्षा करें।
The refractive indices of the core and cladding materials of an optical fibre are 1.51 and 1.39, respectively. Calculate the numerical aperture and light gathering capacity of the fibre.
तरंगदैर्ध्य 580 नम वाली समतल प्रकाश तरंग एक लंबी रेखाछिद्र, जिसकी चौड़ाई 0.5 एमएम है, पर आपतित होती है। (I) प्रथम दो निम्निष्ठों के लिए विवर्तन कोण परिकलित करें। (III) यदि रेखाछिद्र की चौड़ाई बदलकर 0.2 एमएम कर दी जाए तो ये कोण किस प्रकार प्रभावित होंगे?
Obtain an expression for elliptically polarised light resulting due to superposition of two orthogonal linearly polarised light waves. Show that plane polarised light and circularly polarised light are special cases of elliptically polarised light.