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If the refractive indices of a medium for red and blue colours of light are μr and μb respectively, which one is…
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Which type of mirror is used in the headlight of a motor car?
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Is it possible to form a virtual image of shorter length than the length of the object by any mirror?
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What are constants in Charles’ law? [1] OR Write whether the following statement is True or False: [1] Per degree interval in…
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Write the name of a gas which increases atmospheric temperature. [1] OR Fill in the blank : [1] __ radiation, coming from…
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Mention one fuel which is alternative to fossil fuel
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During electrolysis (a) oxidation occurs at the cathode and reduction occurs at the anode (b) oxidation occurs at both the electrodes (c)…
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Acetic acid is a weak electrolyte because in an aqueous solution acetic acid is (a) non-conductor of electricity (b) completely dissociated (c)…
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(c) Sodium fluoride Explanation: Sodium fluoride (NaF) is an ionic compound, meaning it exists as a lattice of ions rather than discrete…
