phy431.4

A sievert is defined to be

• 1 J/kg

• 1 C/kg

• 1.0x10⁶ erg/kg

• 100 R

• 100 rad

The roentgen is define for

• Photon energy deposition in tissue for energies

  less than 3 MeV.

• Photon energy deposition in air for energies less

  than 3 MeV.

• Photon energy deposition in tissue for energies

  less than 6 MeV.

• Photon energy deposition in air for energies less

  than 6 MeV.

• Photon energy deposition in air for all energies.

A gray is an absorbed dose that is equivalent to

• 100 rem

• 1000 erg/g

• 100 J/kg

• 10 J/kg

• 1 J/kg

The gray is applicable to

• Only gamma rays.

• Only gamma rays and charged particles.

• All types of ionizing radiation excluding exotic

  particles with energies greater than 1000 GeV.

• All types of ionizing radiation excluding Auger

  electrons.

• All types of ionizing radiation.

A Becquerel is equivalent to

• 1 pCi

• 1 nCi

• 1 mCi

• 1 disintegration/s

• 3.7 dps

The rad is defined as the deposition of

• 100 erg/g of bone

• 100 erg/g of tissue

• 100 erg/g of air

• 100 erg/g of water

• 100 erg/g in any material

One Becquerel is equal to

• 2.7x10^-11 Ci

• 2.7x10^-10 Ci

• 3.7x10^-10 Ci

• 3.7x10^-11 Ci

• 1.0x10^-9 Ci

The units of quality factor are

• rem/R

• rad/R

• rem/rad

• rad/rem

• Dimensionless