WBCS.LIVE practice question
কোনটি তরঙ্গ নয় ?
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: ক্যাথোড রশ্মি
WBCS.LIVE practice question
Solve this multiple-choice question and check the correct answer with its explanation below.
Correct answer: ক্যাথোড রশ্মি