A. Moderators slow down the neutrons
B. Moderators bring the neutrons to rest
C. Moderators absorb the neutrons
D. Moderators reflect the neutrons
Tick the correct statement_________________? Read More »
Nuclear Physics A. Alpha rays
B. Gamma rays
C. Beta rays
D. X-rays
Radiations are used for the treatment of skin of a patient is_______________? Read More »
Nuclear Physics, Physics Mcqs 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
Which of the following will be a better shield against gamma rays ? Read More »
Nuclear Physics, Physics Mcqs A. Cloud chamber
B. Linear accelerator
C. A mass spectrograph
D. Wilson cloud chamber
A device for producing high-velocity nuclei is ________________? Read More »
Nuclear Physics, Physics Mcqs A. X-rays
B. Gamma rays
C. UV-rays
D. IR-rays
Pair production can take place only with_________________? Read More »
Nuclear Physics, Physics Mcqs A. Mass is not conserved
B. Energy is not conserved
C. Momentum is not conserved
D. The chargee is not conserved
Pair production cannot take place in a vacuum as ________________? Read More »
Nuclear Physics, Physics Mcqs 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
Beta particles ionize an atom_________________? Read More »
Nuclear Physics, Physics Mcqs A. Chargeless
B. Massless
C. Highly penetrating
D. All of above
Why gamma rays are used to kill bacteria to sterilize surgical equipment etc ? Read More »
Nuclear Physics, Physics Mcqs