Nuclear Physics MCQs 1

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A test from chapter 20 i.e Nuclear Reaction of Physics part 2. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.

1. An alpha particle exerts larger coulomb force on nearby charges than electron because its charge is:

A) Less than that of electron
B) Greater than that of electron
C) Twice that of election
D) Zero

2. Which of the following produces more ionization while passing through a gas:

A) Alpha Particles
B) Beta particles
C) gamma Particles
D) Electrons

3. Alpha particles are highly ionized because of their:

A) Greater mass
B) Greater charge and low speeds
C) Greater density
D) Greater energy

4. The distance traveled by a particle from the source to point where it is stopped in the medium is called:

A) Its range
B) Its displacement
C) Its velocity
D) none

5. The range of alpha particles in air is less because:

A) It does interact with matter
B) it produces intense ionization
C) It is reflected soon
D) None of the above

6. Which of the particles does not produce fluorescence in substance like barium platino-cyanide:

A) Alpha particles
B) Beta Particles
C) Gamma Particles
D) none

7. Beta particles ionize the atoms due to:

A) Electrostatic force of repulsion
B) Electrostatic force of attraction
C) Gravitational force
D) Direct collision

8. Beta particles are:

A) Positively charged
B) Negatively charged
C) Neutral
D) None of the above

9. The Beta particles have erratic path due to their:

A) Repulsion
B) High speeds
C) Frequent deflections
D) None of the above

10. The penetration power of Beta particles is greater than Alpha particles due to their:

A) Smaller ionization power
B) Greater ionization power
C) Equal ionization power
D) None of the above