6. Which of the following is not a common microwave application ?
(a) radar
(b) mobile radio
(c) telephone
(d) satellite communications
7. The wavelength of microwaves at 100 GHz will be :
(a) 3 cm
(b) 0.3 cm
(c) 0.03 cm
(d) 10.3 cm
8. Microwave ovens operate at a frequency of :
(a) 1.37 GHz
(b) 2.45 GHz
(c) 3.37 GHz
(d) 22 micro; Hz
9. Which of the following frequency bands fall under microwave frequency ?
(a) UHF and SHF
(b) SHF and EHF
(c) UHF, SHF and EHF
(d) VLF, LF and MF
10. A transmission line has a VSWR of 2, the reflection coefficient is :
(a) 1/3
(b) 0
(c) 1/ 4
(d) 1/ 2
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