In microwave oven microwaves are emitted by
Magnetrons are capable of generating extremely high frequencies and also short bursts of very high power . They are an important source of power in radar systems and in microwave ovens.
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When Riya came home after a hard day in the office she has found her sister studying.
Which of the following are the conditions that are mentioned in the passage that would force a large number of people to migrate by 2050?
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Select the most appropriate option for blank No. 85
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