Oxoacids of Phosphorus: Oxoacids are the acids that contain the element oxygen in their compound.

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Machines: Do you know we can easily lift heavy loads with a small effort? Do

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Osmosis and Osmotic Pressure of the Solution: Should you drink seawater if you're stranded in

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X-rays: We all have heard the X-rays in hospitals. A doctor recommends X-rays reports for

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Damped Harmonic Motion: Have you ever come up with a pendulum clock? When the clock

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Resolving Power of Optical Instruments: Look at the night sky and you may find stars

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Polarisation is defined as a phenomenon in which the vibrations of a transverse wave are

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Light: We can see the world around us during the daytime, but it is very

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The Human Eye and the Colourful World: We see the world around us with our

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Methods of Charging: We touch various objects throughout the day but somedays we feel a

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