1.

A_radio_station_broadcasts_its_programme_at_219.3_metre_wavelength._Determine_the_frequency_of_radio_waves_if_velocity_of_radio_waves_is_3√ó108_m/s.$#

A. 7.31√ó10<sup>-7</sup> Hz
B. 1.954√ó10<sup>-6</sup> Hz
C. 1.368√ó10<sup>6</sup> Hz
D. 6.579√ó10<sup>10</sup> Hz
Answer» D. 6.579‚Äö√†√∂‚àö‚â•10<sup>10</sup> Hz


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