When we look at a leaf we know that it is green because light bounces off the leaf to our eyes to tell us that it is green. But what is light?... View Article
Let the surface charge density be σ. In this case, there is planar symmetry and the electric field lies perpendicular to the plane of charge. For... View Article
Read the daily PIB update and stay up-to-date on current affairs for the UPSC exam World Elephant Day World Elephant Day is an international... View Article
UPSC Current Affairs Preparation: The Hindu AnalysisWatch expert analysis of ‘The Hindu’ dated 11th August 2018. Important news and views to... View Article
TABLE OF CONTENTS A. GS1 Related HISTORY 1. Paleo-rivers predated Harappans by 35,000 years B. GS2 Related POLITY 1. More Assembly seats for... View Article
The lens maker’s equation is a formula that gives us a relationship between the focal length, refractive index, and radii of curvature of... View Article