The speed of a microwave of wavelength 5 × 10^-3 m in a vacuum is 5 � – McqOptions

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1.	The speed of a microwave of wavelength 5 × 10^-3 m in a vacuum is 5 × 108 m⁄s, its frequency is equal to
A.	6 × 109 m⁄s
B.	1.5 × 105 m⁄s
C.	6 × 10^10 m⁄s
D.	1.5 × 106 m⁄s
Answer» D. 1.5 × 106 m⁄s

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