Discussion
Describe the method of production of ultrasonic waves.
Use NDT methods for quality testing of materials in industry
Find the Conditions for good acoustics.
Determine factors affecting acoustical planning of auditorium.
Apply Inverse square law of photometry.
Find working and applications of Bunsen's photometer
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.