Best Reference Books for Class 9 2023: Class 9 is the most crucial period and foundation step in every student’s life. To have an easy-going study path during class 10, it is important to study class 9 well. So, it is time for the new academic year to begin for Class 9. Hope all students … Read more
VTU Belgaum: Do you want to know about VTU? Do you need VTU Syllabus? Are you looking for the previous year’s exam question paper? Don’t worry! Here you will get everything. We are providing a complete guide on VTU Belgaum. VTU Belgaum VTU is a prestigious University in India. Visvesvaraya Technological University, Belgaum is named … Read more
1 UNIT – 2 WAVE OPTICS Unit-02/Lecture-01 FRESNEL BIPRISM:- Fresnel’s biprism is made by joining two thin prisms at their base to create a single triangular shape. Light from single slit S forms spherical waves incident on the biprism. Light passing through the lower section is refracted up, while light going into the top section is refracted down, forming a region where the beams interfere. This creates two virtual sources S 1 and S 2 , with an apparent separation a. A biprism is essentially two prisms, each of very small refractive angle α placed base to base. In reality the biprism is constructed from a single plate of glass by suitable grinding and polishing it; the obtuse angle of the prism is only slightly less than 180° and the other angles is of the order of 30’ are equal. … Read more