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  2. Thermal conductivity refers to the ability of a given material to conduct/transfer heat. It is generally denoted by the symbol ‘k’ but can also be denoted by ‘λ’ and ‘κ’. The reciprocal of this quantity is known as thermal resistivity. Materials with high thermal conductivity are used in heat sinks whereas materials with low ...

  3. Gas Mass and Gas Temperature. Answer: (d), In Boyle’s law, the mass of the gas its temperature are kept constant. Q5. Boyle’s law is valid only for. Ideal gases. Non-ideal gases. Light Gases. Heavy Gases. Answer: (a), Boyle’s law is valid only for ideal gases.