A microwave oven is powered by an electron tube called amagnetron that generates electromagnetic waves of frequency2.45 GHz. The microwaves enter the oven and are reflectedby the walls. The standing - wave pattern produced in the ovencan cook food unevenly, with hot spots in the food at antinodesand cool spots at nodes, so a turntable is often used torotate the food and distribute the energy. If a microwave ovenis used with a cooking dish in a fixed position, the antinodescan appear as burn marks on foods such as carrot strips orcheese. The separation distance between the burns is measuredto be 6.00 cm. Calculate the speed of the microwavesfrom these data.
A microwave oven is powered by an electron tube called amagnetron that generates electromagnetic waves of frequency2.45 GHz. The microwaves enter the oven and are reflectedby the walls. The standing - wave pattern produced in the ovencan cook food unevenly, with hot spots in the food at antinodesand cool spots at nodes, so a turntable is often used torotate the food and distribute the energy. If a microwave ovenis used with a cooking dish in a fixed position, the antinodescan appear as burn marks on foods such as carrot strips orcheese. The separation distance between the burns is measuredto be 6.00 cm. Calculate the speed of the microwavesfrom these data.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter24: Electromagnetic Waves
Section: Chapter Questions
Problem 15P: Review. A microwave oven is powered by a magnetron, an electronic device that generates...
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Question
A microwave oven is powered by an electron tube called a
magnetron that generates
2.45 GHz. The microwaves enter the oven and are reflected
by the walls. The standing - wave pattern produced in the oven
can cook food unevenly, with hot spots in the food at antinodes
and cool spots at nodes, so a turntable is often used to
rotate the food and distribute the energy. If a microwave oven
is used with a cooking dish in a fixed position, the antinodes
can appear as burn marks on foods such as carrot strips or
cheese. The separation distance between the burns is measured
to be 6.00 cm. Calculate the speed of the microwaves
from these data.
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