LIGHT
LIGHT LIGHT FROM OF ENERGY VISIBLE TO THE HUMAN EYE. PETROLEUM,COAL,AND NATURAL GAS ARE THE REMAINS OF PLANTS THAT LIVED MILLIONS OF YEARS AGO, AND THE ENERGY THESE FULS RELEASE WHEN THE BURN IS THE CHEMICAL ENERGY CONVERTED FROM SUNLIGHT.
THE NATURE OF LIGHT
1. LIGHT EMISSION 2. ELECTROMAGNETIC WAVES 3. PHOTONS 4. SOURCE OF LIGHT
LIGHT EMISSION
ELECTROMAGNETIC WAVES
PHOTONS PHOTONS MAY BE DESCRIBED AS PACKETS OF LIGHT ENERGY. PHOTONS ARE ALWAYS ASSOCIATED WITH AN ELECTROMAGNETIC WAVE OF A DEFINE FREQUENCY
SOURCE OF LIGHT
DETECTION OF LIGHT
STUDENTS ‘S NAME 1. 2. 3. 4. 5. 6.
AMANPREET KAUR RAMANJIT KAUR LAKSHMI PRABJOT JASWINDER ANITA Class 7th
Sorce Of Information Science Text Book class 7th MS Encarta