WBCS.LIVE practice question
একটি সূচ বা পিন জলের উপর ভাসতে পারে, এর কারণ কী ?
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: পৃষ্ঠটান
WBCS.LIVE practice question
Solve this multiple-choice question and check the correct answer with its explanation below.
Correct answer: পৃষ্ঠটান