1. In empty space, which quantity is always larger for

1. In empty space, which quantity is always larger for X-ray radiation than for a radio wave?
(a) Amplitude.
(c) Frequency.
(b) Wavelength.
(d) Speed.
2. If electrons in a wire vibrate up and down 1000 times per second, they will create an electromagnetic wave having
(a) A wavelength of 1000 m.
(b) A frequency of 1000 Hz.
(c) A speed of 1000 m/s.
(d) An amplitude of 1000 m.

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