The absorbed dose (D) is defined as the amount of energy absorbed per unit mass. It is given by the formula:

D = E/m

where:
E is the energy absorbed, and
m is the mass of the absorbing material.

In this case, E = 0.25 J (joules) and m = 8 g (grams). However, the standard unit for absorbed dose is the Gray (Gy), which is defined as joules per kilogram (J/kg). So, we need to convert the mass from grams to kilograms:

m = 8 g = 0.008 kg

Now we can substitute E and m into the formula:

D = 0.25 J / 0.008 kg = 31.25 Gy

So, the absorbed dose received by the tumour is 31.25 Gy.

Question

The absorbed dose (D) is defined as the amount of energy absorbed per unit mass. It is given by the formula:

D = E/m

where:
E is the energy absorbed, and
m is the mass of the absorbing material.

In this case, E = 0.25 J (joules) and m = 8 g (grams). However, the standard unit for absorbed dose is the Gray (Gy), which is defined as joules per kilogram (J/kg). So, we need to convert the mass from grams to kilograms:

m = 8 g = 0.008 kg

Now we can substitute E and m into the formula:

D = 0.25 J / 0.008 kg = 31.25 Gy

So, the absorbed dose received by the tumour is 31.25 Gy.

Knowee AI · Accepted Answer

The absorbed dose (D) is defined as the amount of energy absorbed per unit mass. It is given by the formula:

D = E/m

where:
E is the energy absorbed, and
m is the mass of the absorbing material.

In this case, E = 0.25 J (joules) and m = 8 g (grams). However, the standard unit for absorbed dose is the Gray (Gy), which is defined as joules per kilogram (J/kg). So, we need to convert the mass from grams to kilograms:

m = 8 g = 0.008 kg

Now we can substitute E and m into the formula:

D = 0.25 J / 0.008 kg = 31.25 Gy

So, the absorbed dose received by the tumour is 31.25 Gy.

Calculate the absorbed dose received by an 8 g tumour irradiated with 0.25 J of gamma-ray energy.Hint: Don't forget the units!

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