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8. Taraf intensitas bunyi sebuah mesin rata-rata 60 dB. Apabila 100 mesin dihidupkan bersama maka taraf intensitasnya...
a. 50 dBb. 60 dBc. 70 dBd. 80 dBe. 120 dB
Jawaban: D
Untuk diketahui, kumpulan soal ini hanya contoh dan tidak menjamin muncul pada seleksi PPPK Guru 2022, serta kunci jawaban tidak mutlak menjamin kebenarannya.
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