Which one of the following possesses greater penetration power ?
A. α-rays B. β-rays C. γ-rays D. Neutron-rays
Physics MCQs with Answers
The most useful tracer is_________________?
A. Sr-90 B. I-131 C. CA-41 D. C-14
X-rays are electromagnetic waves like________________?
A. Light waves B. Heat waves C. Microwaves D. γ-rays
The charge on beta particle is________________?
A. 1 B. -1 C. +2 D. -2
Why gamma rays are used to kill bacteria to sterilize surgical equipment etc ?
A. Chargeless B. Massless C. Highly penetrating D. All of above
Beta particles ionize an atom_________________?
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
Alpha particles possess greater penetration power than that of beta particles due to its_____________?
A. Smaller ionization power B. Greater ionization power C. Neither greater nor smaller ionization power D. Same ionization power
Pair production cannot take place in a vacuum as ________________?
A. Mass is not conserved B. Energy is not conserved C. Momentum is not conserved D. The chargee is not conserved
Pair production can take place only with_________________?
A. X-rays B. Gamma rays C. UV-rays D. IR-rays
A device for producing high-velocity nuclei is ________________?
A. Cloud chamber B. Linear accelerator C. A mass spectrograph D. Wilson cloud chamber