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the Concept of lenses and din
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Step-by-step explanation:
Pressure is defined as the physical force exerted on an object. The force applied is perpendicular to the surface of objects per unit area. The basic formula for pressure is F/A (Force per unit area). Unit of pressure is Pascals (Pa). Types of Pressures are Absolute, Atmospheric, Differential, and Gauge Pressure. While sipping beverages from a straw, have you noticed that you actually suck the air out of the straw? While you sip
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Biconcave - A lens in which both sides are concave is biconcave. Biconcave lenses are diverging lenses. Plano-concave - A lens in which one side is concave and the other is plano. Plano-concave lenses are diverging lenses.
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