AAI ATC Junior Executive 27 Jul 2022 Shift 1 Paper
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Question : 83 of 120
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Which of the following statements is/are correct?
(a) Microwaves are produced by klystron valves.
(b) Radio waves are produced by inner shell electrons when they move from one energy level to a lower energy level.
(a) Microwaves are produced by klystron valves.
(b) Radio waves are produced by inner shell electrons when they move from one energy level to a lower energy level.
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