Physics MCQs

852 MCQs  (Page 38 of 86)

Attempt Physics Quiz
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
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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
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If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?
A. Fission reaction
B. Fusion reaction
C. Chain reaction
D. Chemical reaction
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Pair production takes place in the vicinity of a heavy nucleus so that_____________?
A. Net energy is conserved
B. Net charge is conserved
C. Net momentum is conserved
D. All of the above
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During an encounter with an atom alpha particle knocks out ______________?
A. Protons
B. Electrons
C. Neutrons
D. Nothing
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The path of alpha particle is_______________?
A. Rectilinear
B. Curved
C. Zig-zag or erratic
D. Elliptical
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Which of the following radiations are suitable for the treatment of an infection in the interior of the body ?
A. Α-rays
B. Β-rays
C. Γ-rays
D. X-rays
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Various types of cancer are treated by_________________?
A. Cobalt-60
B. Strontium-90
C. Carbon-14
D. Nickel-63
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Sterilization of surgical instruments medical supplies and bandages can be done by exposing them to a beam of_______________?
A. Α-rays
B. Β-rays
C. Γ-rays
D. B and c have equal antiseptic propertie
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The charge on alpha particles is________________?
A. Plus one
B. Plus two
C. Minus two
D. Minus one
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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