## Light – Lens Formula and Power of a Lens

Lens formula is similar to Mirror formula except that the +ve sign is replaced by -ve sign.  The power of a Lens is the power on our spectacles…[…]

## Light – Refraction by Convex Lens

Just remember Convex Lens is similar to Concave Mirror.  The rest of the things are just similar…[…]

## Light – Refraction by Concave Lens

You will learn more about refraction by Concave Lenses. Just remember the properties of Concave Lens is similar to Convex Mirror…[…]

## Refraction & Refractive Index

Refraction is an important phenomenon exhibited by light when it travel from one medium to another.  One of the ways to measure refraction is the refractive index…[…]

## Light – Mirror Formula and Magnification

We have covered Plane Mirror, Concave Mirror, and Convex Mirror.  Let’s talk about Mirror Formula and Magnification…[…]

## Light – Comparing Concave and Convex Mirror

Let’s compare Concave and Convex Mirrors…[…]

## Light – Reflection by Convex Mirror

Convex Mirrors cannot form magnified images…[…]

## Light – Reflection by Concave Mirror

Concave Mirrors can magnify images.

## Light – Reflection by Plane Mirror

A plane mirror is a flat reflective surface…[…]

## Light – Mirrors Plane and Spherical

There are many kinds of Mirrors. We restrict our attention to two types – Plane Mirrors and Spherical Mirrors…[…]

## Light – Sign Convention

For solving numerical in Optics part of the Physics syllabus, you need a through understanding of the Sign convention. In a simple snapshot learn the sign convention used in Optics ie Light…[…]

## Light -An Introduction

Light is an electromagnetic radiation, which gives rise to a sensation of sight…[…]

## Errors in Measurement in 5 Easy Steps

Here we cover: (i)   What is an error? (ii) What is meant by accuracy and precision; (iii) Types of Errors; …

## Units and Measurements in 3 easy steps

As we have done 4 kinds of forces in nature,  let’s take the first step, which is Units and Measurements. …

## Class X: Our Environment

From the components to ecosystem, the a comprehensive blog post on ‘Our Environment’. Its a time saver.

## Science Syllabus for SA 2 of 2014

You know.  I am but reiterating the syllabus for Science SA 2 of 2014  just in case you wanted to …

## Class X: Management of Natural Resources

The post tells how to manage Natural Resources by explaining the terms used in the topic. You will surely find it helpful.

## Periodic Table of Elements

The periodic table of elements is an arrangement of elements in a tabular form.  As much as it may seem …

## Physics XI: Units and Measurements

This is Physics 101. The first real chapter in Physics you get to read and it is as important as …

## Class X: Electricity – Workbook

A workbook to test your basic understanding of basic concepts of electricity.

## Physics XI Chapter One ‘Physical World’ notes

There are four fundamental forces in nature. They are Gravitational Force, Electromagnetic force, Strong Nuclear force and Weak Nuclear Force. Read on.

## Chemistry SA 2

Note: Board Exams have been reintroduced for Class X from the year 2018.  This post was useful before the Board …

## Revision for SA II PHYSICS

The time has come for revision and revision helps.  Here I have compiled questions from previous years into a set …

## Heredity and Evolution Class X Science

Here is a chart to help all to understand the basic concept of heredity and evolution. Heredity Evolution Chart Check …

## SA–2 and the XII Board

The date sheet for the Class X and XII CBSE board exams are out.  The music has started. Those who …

## Some of my thoughts on education

The news today about the way entrance examination  will be conducted for IITs and role of Class XII board results …

## Exam –Time..

Come September and its exam –time.  The first in a series of exams culminating with the Board Exams. So let …

## Life Processes

Earlier we had talked about nutrition covered under the chapter: Life Processes.  The life process which is vital are nutrition, …

## Fundamental Unit of Life: The Cell

To know about a cell, its history, structure and functions is where the  serious study of biology as a subject …

## Life Processes Part-I

This is the chapter 6 of the book of science for class X.  As the name suggests, if you think …