AAI ATC Junior Executive 27 Jul 2022 Shift 3 Paper
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Question : 107 of 120
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Which of the following statements is/are correct?
(a) Electromagnetic waves have different speeds in different mediums.
(b) Sounds have different speeds in different mediums.
(a) Electromagnetic waves have different speeds in different mediums.
(b) Sounds have different speeds in different mediums.
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