The total two-way transit time is 5 seconds, making one-way travel time 2.5 seconds. Multiplying 1525 meters per second by 2.5 seconds places the sunken wreckage at 3812.5 meters depth. Class 9 Science Exploration Chapter 10 Important Questions from Sound Waves SQP ...
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The correct option is (iii). Frequency measures complete oscillations per second; higher frequency increases the count of compressions passing a fixed point each second while shortening wavelength and time period. CBSE Class 9 Science Chapter 10 Sound Waves Characteristics and Applications ...