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Q. In severe winter, in cold countries water pipes burst because
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Q. Decibel is the unit used for
Q. Which of the following lies on the reflecting surface of the minor?
Q. The type of mirrors used in the headlamp of cars is
Q. A thick glass tumbler cracks more easily than a thin one when hot water is poured into it. Why?
Q. One horsepower is equal to how many watts?
Q. In a nuclear reactor the moderator is used to
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