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Relation between electromotive force (E), internal resistance (r) and potential difference (V) in a circuit

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Resolving Power of Optical Instrument | Rayleigh Criterion of Resolution

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Attenuation of optical signal in optical fibre

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Principle of optical fibre communication

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Overview and History of Special Relativity

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Difference between Heat and Temperature

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Difference between Heat Capacity and Specific Heat Capacity

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Description dielectric materials and their types

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Difference between Potentiometer and Voltmeter

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Principle Construction, Working and Angular Magnification of Simple Microscope