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…[…]

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 – 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…[…]

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; …

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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. …

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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 …

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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 …

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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.

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 …

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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 …

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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 …

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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 …

Read moreFundamental Unit of Life: The Cell

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