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EMAIL : asad706838@gmail.com
CONTACT NO : 9451943401 , 8317021008 |
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1-) SPARKLING VISION OF A TEST TUBE PARTIALLY FILLED WITH WATER : Rays of light fall on the test tube where there is no water and gets ref... -
1-) By Touching : The convex lens is thicker at the centre relative to its edges, while the concave lens is thinner at the centre than ...
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In our daily life we commonly use the term energy in a variety of sense, for example we say, an atheletes body is full of energy, a glass ...
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