Heat- Introduction

What is Heat?

Have you seen the sun? It emits Light. How does it emit its light?

Have you tried touching a lit bulb? You hands feel its hotness, and Thus you remmove it from the bulb

This energy which does work and helps in emitting light is HEAT

The degree of the hotness itself is Temperature.

Lets say an object A is hotter than Object B

What Happens?

The heat flows from A to B. But later it stops.

Then at that moment, the temperature in Objects A and B are equal

THUS

An object with more heat than another, will result in a flow of heat from the GREATER temperature to the LOWER temperature

If the temperatures of 2 bodies are EQUAL, We say that they are in THERMAL EQUILIBRIUM

There are 3 Measures of temperates

They are: Celsius (°C), Fahrenheit (°F) and Kelvin (K)

KELVIN is the Standard Unit

The Boiling Point of WATER in the measures is: 100 °C, 212 °F & 373 K

The Melting Point of WATER in the measures is: 0 °C, 32 °F & 273 K