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Which one of the following pairs of materials are correctly matched with the heat transfer process that takes place in them?Convection Radiation A. Water Vacuum B. Air Iron C. Glass rod Vacuum D. Water Air
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A plane mirror is placed at the beginning of the word MALARIA. Which one of the following groups of letters will remain the same when the word is reflected?A. M, A, L. B. M, A, I. C. R, A, I. D. L, I, A.
Date posted: July 29, 2019 . Answers (1)
The purpose of each of the following is insulation against heat loss EXCEPTA. clay pots. B. wooden handle frying pan. C. Woolen clothing. D. window curtains.
In which one of the circuits below would the bulb light?
When rays of light pass from air to water theyA. bounce back. B. increase in size. C. are bent. D. are absorbed.
The form of energy that comes second during energy transformation in a torch dry cells is A. Light.B. electrical. C. chemical. D. heat.