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The Kundt's tube uses lycopodium powder filled inside the tube. For detection of ultrasonic waves, the powder must be set in __________ vibrations.
progressive
stationary
thermal
all of these
stationary
Quick Summary: Practice and solve "The Kundt's tube uses lycopodium powder filled inside the tube. For detection of ultrasonic waves, t..." for Electrical - Electrical Materials. The correct answer is Option B: stationary. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(b) **