Physics notes for class 10 federal board pdf download. FBISE class 10th physics notes. Unit 10: Simple Harmonic Motion and Waves Exercise Conceptual Questions: Q1: Give an example of vibratory motion which is not simple harmonic motion. Give a reason of your selection. A: When a ball is dropped from a height on to the … Read more
Q: Vibrating mobile phone on wooden table sounds louder than held in hand. Why? Ans: Vibrating mobile phone on wooden table sounds louder than held in hand because surface area of wooden table is greater than surface area of phone. Explanation: Loudness of sound is directly proportional to the surface area of the vibrating body. … Read more
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