## Relativity Series-2: Michelson-Morley Experiment Introduction

In the previous essay we have discussed about relative motion where Mr. A was chasing a car. Mr. A, moving at 3 km/h (w.r.t. reference), found the car’s speed is 7 km/h when the car was moving at 10 km/h with respect to the reference. Light moves at a speed of 3 x…

## Relativity Series-1: Relative Motion

Place yourself in a moving car, when you see the person next to you, he appears to be at rest, but for someone standing on the footpath the same person appears to be moving at certain speed. Do we say the person is at rest or say he is moving? The answer can…

## Physics of Joule Heating

Electrical heating appliances like heaters and geysers are some of the luxuries offered by science. All of us use them in daily life and a day without these appliances is a nightmare in the cold countries where temperatures go down to below zero levels. Electricity can get a lot things done like washing…

## Integral Calculus and Physics

Mathematics is omnipresent and the significance of it has its mark in every branch of science. Physics is one such area where progress would be unimaginable without the role of mathematics. Predicting the behavior of complex systems based on simple basic laws of physics requires mathematics. Validation of laws of physics by making testable…

## Fundamentals of Work

Life is all about work, but what really does the term work refer to. In physics, work is defined as an activity that involves a force and movement in the direction of the force that is being exerted. S.I. units of work is the Joule where 1 Joule = 1 Newton meter. For example, when a…