WBCS.LIVE practice question
দৃশ্যমান আলোর তরঙ্গদৈর্ঘ্য কত?
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: 400 থেকে 800 মিমি
WBCS.LIVE practice question
Solve this multiple-choice question and check the correct answer with its explanation below.
Correct answer: 400 থেকে 800 মিমি