নিচের কোনটি একই সাথে একটি এককহীন এবং মাত্রাহীন ভৌত রাশি?

A ঘনকোণ

B বিকৃতি

C কোণ

D কম্পাঙ্ক

Correct Answer & Explanation

Option B

Option B is the correct answer according to official curriculum guidelines.

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