Ultrasonic-interferameter , Physics

Assignment Help:

Ultrasonic-interferameter

1.defenition

2.applications

3.uses

4.free lenth

5.Compressibility

Ans)An Ultrasonic Interferometer is a easy and direct device to determine the ultrasonic velocity in liquids with a high degree of accuracy.

The principle used in the measurement of velocity (V) is based on the accurate determination of the wavelength (λ) in the medium. Ultrasonic waves of called as frequency (f) are produced by a quartz plate fixed at the bottom of the cell. These waves are reflected by a movable metallic plate kept parallel to the quartz plate. If the separation among these two plates is exactly a total multiple of the sound wavelength, standing waves are formed in the medium. This acoustic resonance gives rise to an electrical reaction on the generator driving the quartz plate and the anode current of the generator becomes maximum.

If the distance is now increased or decreased and the variation is exactly one half wavelength (λ/2) or multiple of it, anode current again becomes maximum. If the separation among quartz plate and metallic plate is changed by d among two successive maximum anode current, then
d = λ/2...(1)
From the knowledge of wavelength (λ), the velocity (V) can be obtained by the relation :
V = λ × f =2df....(2)

 


Related Discussions:- Ultrasonic-interferameter

Explain about the term simulated absorption in brief, Explain about the ter...

Explain about the term simulated absorption in brief. Stimulated absorption: a. For the photon-atom interaction to happen, the energy of the interacting photon h? must match

Explain about the double-crucible method, Explain about the double-crucible...

Explain about the double-crucible method. Low loss fibers are mostly manufactured by using double crucible and vapour phase deposition method. The double-crucible method is

Does cph mass increase, Does CPH mass increase? Answer; Never, mass of ...

Does CPH mass increase? Answer; Never, mass of CPH is constant, as like its speed.

Magnetic materials, Materials which can be magnetized are called magnetic m...

Materials which can be magnetized are called magnetic materials. When magnetized, such materials create a magnetic field around them. Some of the significant features of magnetic m

What is the ohm law, What is the Ohm Law? Ohm discovered that the amoun...

What is the Ohm Law? Ohm discovered that the amount of current was directly proportional to the voltage (more voltage gives more current) and inversely proportional to the resi

Which phrase would be incorrect to use, Which phrase would be incorrect to ...

Which phrase would be incorrect to use: (1)A molecular of a compound  (2)A molecule of an element (3)An atom of an element (4)None of these Ans:  (2)A molecule of a

Modulation and transmission, The amplified video signals are amplitude modu...

The amplified video signals are amplitude modulated using a suitable r.f. carrier wave in a transmitter called ‘AM' picture transmitter. Similarly, the amplified audio signals are

What frequency does a stationary listener hear the sound, An airplane trave...

An airplane traveling at  v  = 187 m/s emits a sound of frequency 5.80 kHz. At what frequency does a stationary listener hear the sound during each of the following times? (Use344

Show the definition for power, Question: What all are able to the power...

Question: What all are able to the power P possibly represent in the expression P = IV where I is current and V is voltage? Answer: The small definition for power is th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd