১১. শব্দের তীক্ষ্ণতা (Pitch) কিসের ওপর নির্ভর করে?

A কম্পাঙ্ক

B বিস্তার

C বেগ

D তরঙ্গদৈর্ঘ্য

Correct Answer & Explanation

Option A

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

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