When Did the First Practical Use of Waveguides Occur

question 12

Multiple Choice

When did the first practical use of waveguides occur?

• A)Development of microwaves
• B)Development of Doppler radar for traffic control
• C)Development of radar during World War II
• D)Development of radar for space rendezvous

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Definitions:

Direct Marketing

A form of advertising where businesses communicate directly with customers through various media.

Promotional Mix

The combination of different marketing approaches, including advertising, sales promotion, personal selling, public relations, and direct marketing, used to achieve business goals.

Nonpaid Marketing

Strategies to promote a business or product without direct financial expenditure, relying on word-of-mouth, organic social media presence, etc.

Sex Appeal

The use of sexual attractiveness or allure, often in advertising or marketing, to draw interest or engagement from the target audience.