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Why are megaphones, loudhailers and some musical instruments designed with a tube followed by a conical opening?
To make the sound quieter
To absorb the sound waves
To direct most of the sound waves forward toward the audience without spreading it
To spread the sound in all directions
To direct most of the sound waves forward toward the audience without spreading it
Practice and solve "Why are megaphones, loudhailers and some musical instruments designed with a tube followed by a coni..." for General Science - Previous Year Paper 2024. The correct answer is Option C: To direct most of the sound waves forward toward the audience without spreading it. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Practice and solve "Why are megaphones, loudhailers and some musical instruments designed with a tube followed by a coni..." for General Science - Previous Year Paper 2024. The correct answer is Option C: To direct most of the sound waves forward toward the audience without spreading it. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.