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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.
What is SI unit of force
1. What evidence suggests that light is a wave? What evidence suggests that light is a particle? 2. In what sense does the "information age" depend on the bending of light?
How would you describe in one word fiber optics lighting system? Magic is the one word for describing fiber optic in one word.
what is the formula of work done
INSTANTANEOUS VELOCITY: The velocity of a body at a certain instant of time is known as instantaneous velocity.
An object is placed 25.0cm from a thin converging lens. A screen is positioned so that a sharp image of the object is seen on the screen. When the object is moved 4.0cm closer to t
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EFFECT OF FIELD ON SUPERCONDUCTIVITY: Critical Magnetic field, H c is the maximum field that can be applied to a superconductor without destroying the superconducting behaviour
Q. Define: ampere's circuital law. The line integral → → for a closed curve is equivalent to μo timesthe net current Io B . d l By the area bounded by the curve.
Which of the following material has the highest melting point (A) Copper. (B) Aluminium. (C) Tungsten. (D) Gold. Ans: Tungsten has the highest melting point.
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