If 12% of a Certain Radioisotope Decays in 5

question 118

Multiple Choice

If 12% of a certain radioisotope decays in 5.2 years, what is the half-life of this isotope

• A) 0.59 yr
• B) 1.7 yr
• C) 22 yr
• D) 28 yr
• E) 32 yr

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Definitions:

Hair Cells

Sensory receptors located in the cochlea that detect sound waves and transduce them into signals that ultimately are processed in the brain as sound.

Hearing

The process by which sound waves are interpreted by the brain, allowing individuals to perceive sound.

Difference Threshold

The minimum noticeable difference that an individual can detect between two stimuli 50% of the time.

Touch Sensation

The sensory experience triggered by stimuli interacting with the skin, allowing for the perception of pressure, temperature, and pain.