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D- Ultrasonic wave Heating
These waves are different from electromagnetic waves . It produces mechanical vibration inside tissue. It is the same as the sound waves but it has much higher frequencies about I MHz with power of several watts per centimeter. It can move the tissue particles backward and forward with high frequency, in doing so it can increase the kinetic energy consequently it heats the tissue.
Ultrasound can be produced by special transducers placed in direct contact with the skin. It is used for relieving tightness and scarring occurring in jointdisease. It can dispose more heat in bones, as bones are better absorber for ultrasonic energy than soft tissue. It is also used in deep therapy.
Angle of Deviation: When a ray of light passes by a prism, It changes it's path inside the prism and forms an angle with the emergent ray. This angle is called as the angle of
What is the difference between french beans and front office refraction
Ratio of masses of proton and electron is: (1) Infinite (2) 1.8x10 3 (3) 1.8 (4) None of these Ans: (2) 1.8x10 3
Q. Select the pairs of isotopes, isobars and isotones from the following nuclei: 11 Na 22 , 12 Mg 24 , 11 Na 24 , 10 Ne 23 Isotopes are 11 Na 22 , 11
What components/materials are chosen because of their especially high resistivity and explain why high resistivity
How many types fitting are there? Literally thousands for all thought or dreamed up application. By small bullet lenses uses very large floor, pool and pavers lights. From simp
What is the raw file size for an image of 80 rows and 100 columns, with pixels on 14 bits and with an extra row for the header? The minimum and maximum values observed in a
With a neat and clean diagram illustrate in brief the TIR. Describe critical angle and mention the two conditions for TIR.
what is ampere sarcutal law
Isolated magnetic poles do not exist'. explain? A. 1. If a bar magnet is cut into smaller and smaller pieces eventually ending with the smallest possible piece, this smallest
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