Which of these are correct concerning a characteristic cascade?

Leakage radiation around an x-ray tube must not exceed?

A radiographer standing 1ft. from a patient being radiographed on an x-ray table is exposed to 1000 mR of scatter radiation. What will the radiographer’s exposure be if she moves to a distance of 6ft. from the patient? 

Most anodes have a target focal track area made of?

The beam that is found leaving the collimator and exposes the patient is called the?

Which metal has a melting point of 3,370°C and an atomic number of 74?

When electrons strike the target of the x-ray tube, most of their energy is converted to?

A radiographer standing 5ft. from a patient being radiographed on an x-ray table is exposed to 200 mR of scatter radiation. What will the radiographer’s exposure be if she moves to a distance of 2.5ft. from the patient? 

What would you do to double the beam quantity?

Beam filtration will increase average beam (x-ray photon) energy by?