Which of the following is/are source(s) of internal radiations?

Solar radiations

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Radioactive substances present inside the body

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Beta radiations

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Naturally occurring radioactive substances

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Solution

The correct option is D Radioactive substances present inside the body
Background radiations have two sources:- internal and external. The internal sources of background radiation are the radioactive substances present inside the body.

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Which of the following is/are source(s) of internal radiations?

The correct option is D Radioactive substances present inside the bodyBackground radiations have two sources:- internal and external. The internal sources of background radiation are the radioactive substances present inside the body.

The correct option is D Radioactive substances present inside the body
Background radiations have two sources:- internal and external. The internal sources of background radiation are the radioactive substances present inside the body.