radiowave, microwave, infra-red, ultra-violet, x-ray, gamma, wavelength, frequency, is reflected by the ionosphere , TV & radio, microwave ovens, mobile, wifi, heating, remote controls, fibre optics, night vission, sunbeds, bank note anti-forgery, diagnose broken bones, CT scans, sterilise food in tins and surgical equipment, radiotherapy, all are carrier waves used in communication, all are ionising (cancer causing).

EMS

દ્વારા
પ્રિન્ટ
એમ્બેડ

લીડરબોર્ડ

દૃશ્યમાન શૈલી

વિકલ્પો

ટેમ્પલેટ બદલો

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આપોઆપ સંગ્રહ થયેલ છે: ?