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A microwave oven is powered by an electron tube called amagnetron that generates electromagnetic waves of frequency2.15 GHz. The microwaves enter the ovenand are reflected by the walls. The standing wave pattern producedin the oven can cook food unevenly, with hot spots in the food atantinodes and cool spots at nodes, so a turntable is often used torotate the food and distribute the energy. If a microwave oven isused with a cooking dish in a fixed position, the antinodes canappear as burn marks on foods such as carrot strips or cheese. Theseparation distance between the burns is measured to be5.60 cm. Calculate the speed of the microwaves from these data.

m/s

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Reference No.:- M91185486

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