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How can ultrasonic waves be detected Kundt’s tube method?
Ultrasonic waves can be detected by Kundt’s tube. There at the nodes, lycopodium powder collects into the form of heaps. The average distance in between two adjacent heaps is equivalent to half the wavelength. Such type of method cannot be used when the wavelength of ultrasonic waves is extremely small that is, less than few mm. But a liquid medium, instead of lycopodium powder, powdered coke is utilized to detect the position of nodes.
terminal velocity
Force: push or pull upon an object resulting from the object's dealings with another object. Whenever there is an interaction among two objects, there is a force upon every of
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A multimode, step-profile fibre has a core radius of 50 microns, a core index of 1.52 and a cladding index of 1.50. (a) If the fibre end-face is excited by a source with a wave
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