FROM 10-11-2010 TO 17-11-2010
CHAPTER-13:SOUND
How is sound produced? How does it travel from one place to another? How do we hear sound? Why are some sounds louder than others? Definitions of Amplitude, frequency and Vibration-Audible and unaudible range-Effects of noise-Measures to Limit Noise Pollution
FROM 06-12-2010 TO 15-12-2010
CHAPTER-16:LIGHT
Meaning of reflection-Incident and reflected ray/angle-laws of reflection-mirror-image formation in plane mirror-lateral inversion-real and virtual,erected and inverted,diminished and magnified-parts of the eye-care of the eye
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