How do we see what we see? How do we perceive simple light rays as full-fledged images? Before getting into this, we should understand the... View Article
3rd DRC-NITI Aayog Dialogue The 3rd edition of the Dialogue between the NITI Aayog and the Development Research Council of China, the DRC-... View Article
The lung capacities of different animals vary based on their activities. E.g., the lung capacity of cheetahs is much higher than humans. This is... View Article
In principle, spherical lenses, like spherical mirrors, are a part cut off from a bigger sphere. The refractive index of glass is higher than... View Article
How does light travel? If you stand up on a mountain you can see around you for miles and miles, how are you able to do that? This article will... View Article
Have you ever thought about why we can see our image in a plane mirror? It’s because of the phenomenon known as reflection. Light waves, sound... View Article
A dam is a barrier that is constructed for preserving water or underground streams by creating reservoirs. These reservoirs not only suppress... View Article
Have you ever seen your reflection on a still surface of a lake? Surely, you must have seen a mirror. Why can we see our reflection on some... View Article
Presbyopia is a natural ageing process of the eye that affects a significant portion of the world's population, particularly those over the age... View Article
Subject: History Category: Art and Culture Topic: Some Aspects of Indo-Islamic Architecture – Part II NCERT notes on important topics for the... View Article
First, what is a thin lens? If the thickness of a lens is negligible in comparison to the radius of curvature, it is a thin lens. The following... View Article
A simple lens system consists of the use of only one lens as opposed to the compound lens system where multiple lenses can be used with a single... View Article
Visual Impairment refers to the decreased ability of a person’s sight to such a large degree that it cannot be fixed by conventional means such... View Article
UPSC Conducts Civil Services Examination every year. Through the examination, successful candidates are inducted as officers into the Indian... View Article
A fraction represents a part of whole. For example, it tells how many slices of a pizza left or eaten with respect to the whole pizza, like,... View Article
5 December 1950 Death of Sri Aurobindo What happened? On 5 December 1950, revolutionary-turned spiritual reformer Sri Aurobindo passed away in... View Article
A spherical mirror is a mirror that has the shape of a piece cut out of a spherical surface. There are two types of spherical mirrors:Â concave... View Article