Transcription of Class 10 th Physics LIGHT – REFLECTION AND REFRACTION
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Class 10 th Physics LIGHT – REFLECTION AND REFRACTION
Page 1 Class 10th Physics LIGHT REFLECTION AND REFRACTION LIGHT LIGHT is a form of energy, which induces the sensation of vision in our eyes and makes us able to see various things present in our surrounding. UNITS OF LIGHT Any object which has an ability of producing LIGHT energy at its own is called as the source of denoted by letter d . SOURCE OF LIGHT Any object which has an ability of producing LIGHT energy at its own is called as the source of LIGHT . , Sun, Firefly, Battery, Cell Candle, Bulb etc. KINDS OF SOURCES OF LIGHT There are two main kinds of sources of LIGHT viz: 1) Natural Sources:- These include all those sources which are natural and possess their own LIGHT for example stars, firefly etc.
physics light – reflection and refraction 1) Principal focus : The principle focus of a convex mirror is the point on its principal axis to which a beam of light rays, initially parallel and close to the axis, appears to diverge after
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