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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.
Briefly explain the equations describing under-damped, over damped and critically damped one-dimensional harmonic oscillator?
SKIPPING IS A WHAT TYPE OF MOTION
determine the neutral point in a system of two unlike charges seperated by a distance
Capacity
How can we ger plane polarised light??
It is the ratio of the internal electric field induced by the charges on the surface on the dielectric when an external field applied to the polarization of the dielectric.
Ionisation: If the amount of external energy is large enough the valence electron can gain sufficient kinetic energy (energy of movement) to be removed completely from its atom
what is the principle of particle detectors ?
Hf = mLf m - (g/lbs) *1lb = 454g Lf - latent heat of fusion - 80 kcal/kg fr water Hope
Explain quasi-static process The process in the system the variables (PTV) alters very slowly so that the systems remain in thermal and mechanical equilibrium with its surround
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