Nuclear Physics

A. Moderators slow down the neutrons
B. Moderators bring the neutrons to rest
C. Moderators absorb the neutrons
D. Moderators reflect the neutrons

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A. Alpha rays
B. Gamma rays
C. Beta rays
D. X-rays

A. 1 rem per week
B. 5 rem per week
C. 4 rem per week
D. 3 rem per week

A. Ordinary water
B. Heavy water
C. Lead
D. Aluminum

A. Cloud chamber
B. Linear accelerator
C. A mass spectrograph
D. Wilson cloud chamber

A. X-rays
B. Gamma rays
C. UV-rays
D. IR-rays

A. Mass is not conserved
B. Energy is not conserved
C. Momentum is not conserved
D. The chargee is not conserved

A. Smaller ionization power
B. Greater ionization power
C. Neither greater nor smaller ionization power
D. Same ionization power

A. Due to the electrostatic force of attraction
B. Due to the electrostatic force of repulsion
C. Due to a direct collision
D. Due to the gravitational force

A. Chargeless
B. Massless
C. Highly penetrating
D. All of above