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(i) Suggest one way, in each case, by which we can detect the presence of: (1) Infrared radiations (2) Ultraviolet radiations. (ii) Give one use of Infrared radiations. |
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Answer» (i) 1. Mercury rises rapidly if a blackened bulb thermometer is kept in these radiations. 2. By the action of silver chloride solution. (ii) Use of Infrared radiations : Used for therapeutic purposes by doctors. |
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