1. What is the speed of the electromagnetic wave in a vacuum? A. Zero B. Always the same as the speed of light C. Changing depending on the value of its wavelength D. None of the above
2. How are electromagnetic waves produced? A. Any disturbance B. Currents C. Vibrating charge Otto TUDD rostoken. D. Voltage source
3. What happens to the frequency of the electromagnetic wave if its wavelength increases? A. It decreases. B. It increases as well. C. It remains the same. STO Lobbord of D. None of the above.
4. In the electromagnetic wave, what is the direction of the propagation of the wave? A. Always to the right B. Cannot be determined C. Parallel to electric and magnetic field directions D. Perpendicular to the electric and magnetic field directions
5. Which of the following forms of electromagnetic waves has the widest frequency range? A. X-ray B. Microwave C. Ultraviolet D. Radio waves
6. Who contributed in developing equations that showed the relationship of electricity and magnetism? A. André-Marie Ampere B. Heinrich Hertz C. James Clerk Maxwell D. Michael Faraday 7. Who showed experimental evidence of electromagnetic waves and their link to light? A. André-Marie Ampere B. Heinrich Hertz C. James Clerk Maxwell D. Michael Faraday
8. Which type of wave has the shortest wavelength? A. Gamma ray B. Microwave C. Ultraviolet D. X-ray​