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(Ans. 1.65 V)15. ABCD is a square of side 0.2 m. Charges of 2x10-9,4 x 10-9,8 x 10-C are placed at the corners A, Band C respectively. Calculate the work required totransfer a charge of 2 x 10°C from D to the centre oof the square.[Karnataka 88](Ans. 6.27 x 10-71) |
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Answer» Answer: The cell WALL is MADE of silica. Due to the siliceous nature of the cell wall, it is KNOWN as diatomaceous earth. This diatomaceous earth is a whitish, soft, chemically inert, highly absorbant and fire proof substance. It is used in FILTRATION of oils, sugars, and for other INDUSTRIAL purposes. |
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