A Certain Isotope Has a Half-Life of 32

question 81

Short Answer

A certain isotope has a half-life of 32.4 hr and a relative biological effectiveness of 3.50.
A sample of this isotope initially delivers an absorbed dose of 0.240 Gy to 250 g of tissue.
(a)What was the initial equivalent dose to the tissue in rem and in sieverts?
(b)How many joules of energy did the 250-g sample initially receive from the isotope?

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Definitions:

Overregularization

A language acquisition error where children apply general grammar rules too widely.

First Word

The initial instance of meaningful spoken language produced by a child.

Preoperational

A stage in Piaget's theory of cognitive development (approximately ages 2-7) where children begin to engage in symbolic play but lack the ability to perform operations or use logic.

Coax

To persuade someone gently and persistently to do something or to obtain something by using flattery or gentle urging.