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What is the full form of UHF?

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in Physics – Class 12 by (135k points)
What is the full form of UHF?

(a) Under heavy frequency

(b) Ultra-high frequency

(c) Ultra heavy frequency

(d) Under high frequency

The question was posed to me at a job interview.

My query is from Electromagnetic Spectrum topic in section Electromagnetic Waves of Physics – Class 12

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The correct answer is (b) Ultra-high frequency

Easy explanation: UHF stands for Ultra high frequency. Cellular phones used radio waves to transmit voice communication in the Ultra high-frequency Band. The UHF band extends from 900 MHz to 5 x 109 Hz or 5000 MHz. Radio waves are produced by oscillating circuits having an inductor and capacitor.

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