1. It refers to the number of cycles a wave completes in one second.

a. Wavelength b. Hertz c. Frequency d. Period


2. He showed the experimental evidence of electromagnetic waves and their link to light.

a. Andrei Ampere b. Heindrich Hertz c. James Clerk Maxwell d. Michael Faraday


3. In the visible spectrum, which color has the longest wavelength?

a. Blue b. Green c. Red d. Violet


4. Which electromagnetic waves carry more energy than others?

a. Microwaves b. Radio waves c. UV radiation d. visible light


5. A scientist who discovered x-ray.

a. Isaac Newton b. Wilhelm Conrad Roentgen c. Heinrich Hertz d. James Clerk Maxwell

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