Atomic Nucleus MCQs 1

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A test from chapter 19 i.e Atomic Nucleus 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. Also helpful for Fsc pre engineering and pre medical students for their annual examinations of Board of Intermedicate and Secondary Education.

1. The scientist who discovered electron from the study of the nature of cathode rays was

A) Ernest Rutherford
B) Einstein
C) J. J. Thompson
D) Niles Bohr

2. The nuclear model of the atom was derived partly from experiments involving the scattering of alpha particles performed by:

A) Newton
B) Chadwick
C) Rutherford
D) Einstein

3. Neutrons and Protons in the nucleus are together called:

A) Atomic particles
B) Mesons
C) Nucleons
D) Photons

4. The bulk of the mass of an atom is concentrated in its

A) Electron shell
B) Neutrons
C) Protons
D) Nucleus

5. Nuclie having the same nuclear charge but different masses are called:

A) Isotopes
B) Isotones
C) Isomers
D) Isobars

6. An atom of an element differ from an atom of one of its isotopes in the number of:

A) Protons in the nucleus
B) Neutrons in the nucleus
C) Electrons outside the nucleus
D) Valence electrons

7. A naturally occurring disintegration involving the emission of high energy electrons is called:

A) Alpha decay
B) Beta decay
C) Gamma decay
D) Sigma decay

8. Beta particles are:

A) Hydrogen nuclei
B) Helium nuclei
C) Electrons
D) Photons

9. A deuteron is:

A) A proton and neutron bound together
B) A type of proton
C) A type of neutron
D) A type of beta particle

10. A particle having the mass of an electron and the charge of a proton is called:

A) Antiproton
B) Photons
C) Betatron
D) Positron