Please solve 4

Please solve 4 Electromagnetic Wave. Cathcxle Rays and X-Rays 629 2. 3. 4. Calculate frequency of rulio wave of wavelength 300 metre. Ans. I MHz. A radio station broadcasts at 1200 metre. Calculate the of the emitted radio wave. ans. 250 KHz. Calculate the wave length of a radio wave which is transmitted on a frequency of 200 MHz. Ans. metre. 5. Calculate the wavelength of a radio wave whose frequency is I (XX) Ans. 300 metre. If an object is at a distance of 4000 km from a radio station then what

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