Question: please help me with this lab test typewritten much better Objectives: 1. To understand the principles of radio communication 2. To investigate how metals reflect

please help me with this lab test typewritten much better

please help me with this lab test typewritten much better Objectives: 1.To understand the principles of radio communication 2. To investigate how metals

Objectives: 1. To understand the principles of radio communication 2. To investigate how metals reflect radio waves Materials: Portable FM radio, Aluminum Foil, and small cardboard box Procedure: 1. Use a small cardboard box where your radio can fit in. 2. Turn on the radio and put in the strongest station. Observe what happens to the sound of the radio after being put inside the box. 3. Now cover the box (The radio is still intact) with aluminum foil. Record your observations. 4. Poke some large holes in the box. Observe if the radio is still playing its course. 5. Try to tune in your radio up to 550 kHz. Take the radio to an electronic device which seems to emit radio waves (ex. Computer). Record what happens. Data and Analysis Type of Shielding Observations Explanation Small cardboard Aluminum Foil Electronic device2. Can radio waves pass through metal? Explain. 3. Can radio waves pass through people? Explain. 4. Explain why your answers for numbers 2 and 3 might be different. 5. When you want to communicate with someone in a submarine, would you use long or short radio waves? Explain. 6. What is the best thing to do when you want to ship a tape or an electronic device to someone abroad? Explain using the principles and concepts of radio communication. Conclusion

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