Sources of Radiation

Can we please get your advice on this one question?

Manmade sources of radiation affects the members of public indirectly are Tobacco, Television, Medical X-rays, Smoke detectors, building materials etc. In the above mentioned way also the public people are exposing.

Manmade sources of radiation affect the working individuals in the field of Nuclear industry, Radiation therapy, Food preservation works, diagnostic radiology, Nuclear Medicine etc.

However the possibility of risk is very high in manmade sources of radiation but, when compared to the manmade sources of radiation people are expose to the natural background is higher one as mentioned in the recent datas and also clearly seen in the above diagram also.


1.Pick-up the correct sources of radiation listed below

  • television
  • medical X-rays
  • Radioisotopes
  • All

2.What is the level of dose receiving by members of the public due to background radiation?

  • 2.5 mSv/year
  • 2.37 mSv/year
  • 2.3 mSv/year
  • 1.5 mSv/year


1. All

2. 2.37 mSv/year





4. Lecture notes from Bhabha Atomic Research Centre, Mumbai, India

5. NCRP report 93

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