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Microwave Communication
To ensure that only dominant mode TE10 is allowed to propagate in an air filled rectangular waveguide, the lower frequency limit and upper frequency limit are
about 25% above fc for TE10 and 5% below fc for TE20 mode respectively
about 50% above fc for TE10 and 25% below fc for TE20 mode respectively
about 25% above fc for TE10 and 25% below fc for TE20 mode respectively
none of the above
Correct Answer:
about 25% above fc for TE10 and 5% below fc for TE20 mode respectively
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