When sound travels from one medium to another, its speed and wavelength change due to the new medium’s properties, but the frequency remains constant because it is determined by the source of the sound.
What does not change when sound enters from one medium to another?
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Question context
This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.