The rad is the correct unit used to report the measurement of
the rate of decay of radioactive source
the ability of a beam of gamma ray photons to produce ions in a target
the energy delivered by radiation to target
the biological effect of radiation.
As we learnt in
γ decay -
ray emitted when nucleus undergoes radio active decay left it in excited state
- wherein
After emission of particle the product nucleus formed in excited state
The 'rad' the biological effect of radiation.
Correct option is 4.
Option 1)
the rate of decay of radioactive source
This is an incorrect option.
Option 2)
the ability of a beam of gamma ray photons to produce ions in a target
This is an incorrect option.
Option 3)
the energy delivered by radiation to target
This is an incorrect option.
Option 4)
the biological effect of radiation.
This is the correct option.
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