superconducting coil produce a flux density of between 1 and 2T.

produces a very small electromagnetic signal at the Larmor frequency

relies on the magnetic properties of the electron

external magnetic field is applied to the hydrogen atom in our body

the protons de-excite: they return to the original state and emit RF signals.

to measure threshold of hearing

to determine the quality of a sound

to measure heart beat

to detect the movement of the chest of a young fetus

to determine the velocity of blood flow

To neglect the energy dissipated in friction

To supply more output energy than it is given as input energy

To exert a large force by application of relatively small one

To convert a rapid movement into a slow one

To transmit force or torque for accomplishes a definite purpose

convex mirror

converging mirror

plane mirror

diverging mirror

concave mirror

using spectacles with concave lens for myopia

using spectacles with concave lens for hyperopia

using bi-focal spectacles for presbyopia

by using spectacles with cylindrical for astigmatism

by using spectacles with convex lens for myopia

lower fundamental frequency

smaller velocity

the same fundamental frequency

greater velocity

higher fundamental frequency

the body is cooled by convection using ice

cold compresses are used as heat source

food protect the body from certain diseases

heat source can not be applied directly to the skin

cryosurgery probe can be used to destroy living cell

Hydrogen is compressible fluid

the simplest pressure gauge is the sphygmomanometer

surface tension is the force in the surface acting normally per unit length across any line in the surface of a liquid

according to Archimedes' Principle the buoyant upward force can be greater than the weight of floating body

the inside pressure is less than the outside pressure of a soup bubble

Defibrillator is the standard items of emergency equipment

An artificial pacemaker can produce repetition rate of 60 to 70 per minute

Electrocautery is performed by a hand piece

ECG is a recording of electrical signals produced by the brain

EEG is most widely used of the bioelectric measurements

it can cause sterility

CT scan is a computer assisted scanning method of gamma rays

it is very energetic and ionization.

from a single atom, radiation of different frequencies could not be produced

the fluorescent plate produce on immediate image