3. Fill in the blanks. (10) (a) Electrons flow in a conductor from one point to another due to a difference between the two points. (b) Impure water is _____ of electricity (c) A wave is a disturbance that carries without the transfer of matter. (d) The loudness of sound is measured in (e) The change of state from a liquid into a vapour at a temperature below the boiling point is amounts when (f) Different types of solids and liquids expand by given the same amount of heat. (8) In colour TV, we see colour due to thipor around us hy reflection
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(10)b- poor conductor of electricity
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