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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.
It having of a Cu plate coated with a thin layer of cuprous oxide (Cu2O). On this plate is laid a semi transparent thin film of silver. When light fall, the electrons emitt
at what velocity a clock should move so that it seems slow by one minute in a day?
Which of the following scientists is responsible for the exclusion principle which states that two objects may NOT occupy the same space at the same time? Was it: a) Heisenbe
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Why rotation of rigid bodies through finite angles not a vector? Ans) Because it does not obey one of the laws of vector algebra(law of commutativity).
Can you write me a paper
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sketch the setup abd show the angulare distace between successive dark bands is----------
A cylindrical metallic wire is stretched to enhance its length by 5%. Measure the percentage change in its resistance.
6.1 moles of steam at 100 o C are condensed at 100 o C and the resulting water is cooled to 47.1 o C. Calculate the entropy change for this process. (The molar heat capac
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