WBCS.LIVE practice question
শব্দ দূষণের মাত্রার একক কী ?
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: ডেসিবেল
WBCS.LIVE practice question
Solve this multiple-choice question and check the correct answer with its explanation below.
Correct answer: ডেসিবেল