Science class 5 Afaq, unit 6B/ exercise and activities
Science class 5 Afaq, unit 6b, light and sound (sound) complete solved exercise Class 5 Unit 6B light and sound (Sound). A. choose the correct option A. How does sound travels? Ans: A sound is a form of energy that travels through a medium in the form of vibration. Why does sound need a medium […]
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