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Thursday 30 June 2016

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HEALTH HAZARDS OF ELECTROMAGNETIC RAYS FROM MOBILE PHONE, RADIO, X- RAY SUN-RAYS AND OTHER SOURCES

Do you know our body is exposed to different electromagnetic rays/radiations?

Yes. These rays are known as electromagnetic radiation. These rays by its frequency are classified as under:

a) radio
b) infrared
c) visible
d) Ultraviolet
e) X-ray
f) gamma ray
and cosmic rays

Describe types of radiation to which we are exposed

Two types
a) Non ionizing radiation
b) Ionizing radiation

What are the uses of nonionizing radiation?

Uses of nonionizing radiation include:
power transmission, TV, radio, & satellite transmissions, radar, light bulbs, heating, cooking, microwave ovens, lasers, photosynthesis (sunlight), mobile phones, WiFi networks, etc.

What are the sources nonionizing radiation?
Source of nonionizing radiation include:
ultraviolet light, visible light, infrared radiation, microwaves, radio & TV, mobile phones, power transmission.

Who are sensitive to nonionizing radiation?
Sensitive individuals: variable, e.g. fair-skinned children (sunburn).

                                                                                                to be cont'd

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