#medicalphysics

Images can be made of the inside of hollow organs by sending a beam of light into them through optical fibres. This is the principle of the endoscope as shown below. There are two bundles of very narrow

PRODUCTION OF X-RAYSX-rays are ionizing electromagnetic radiations (photons) with short wavelengths (of about 10-8 to 10-12 m) and correspondingly high photon energies (of about 100 eV to 1 MeV). Diagnostic

Most children playing with an electric torch have noticed the red glow that comes through their hand when they put it over the lens. Light passes through quite easily, but it doesn’t give a clear picture