Here is the Practical File in pdf format
velocity-of-ultrasonic.compressed_compressed-compressedFind More Electromagnetism related Practicals on this Link – https://alllabexperiments.com/phy_pract_files/emt/
Find more Waves and Oscillation Related Practical Files on this Link – https://alllabexperiments.com/phy_pract_files/wavesnoptics/