WBCS.LIVE practice question
একটি বিমান উড়ে যাওয়ার সময় শব্দের মাত্রা কত হয় ?
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: 150 dB
WBCS.LIVE practice question
Solve this multiple-choice question and check the correct answer with its explanation below.
Correct answer: 150 dB