Power point presentation on spectroscopy

This is power point presentation on spectroscopy.it explains types of spectroscopy such as continuous spectra and absorption spectra and many more.

Mathematics questions without answers

This document contains some important questions on vector integration like greens theorems,gauss divergence theorem, Stokes theorems and volume.

some question from matrics

some question for matrix which are going to come in the semester exams for 1st year students of Engineering