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← ScienceWhich consequence results when microwave radiation reflections within a metallic oven cavity create a standing electromagnetic field?
A)Uneven heating of food✓
B)Increased energy consumption
C)Reduced magnetron lifespan
D)Waveguide thermal expansion
💡 Explanation
Uneven heating of food occurs because standing waves exhibit nodes and antinodes. Constructive and destructive interference cause variation in energy distribution. Therefore the food is heated unevenly, rather than increased power consumption or waveguide damage, which are possible under extreme power.
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