Physics Nuclear MCQs Quiz Test 7

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Physics MCQs Quiz For Entry Test



1. Three quarks make:

A meson
An electron
A photon
A baryon (Answer)

2. Leptons are:

Muons
Electrons
Any of these (Answer)
The particles that do not experience strong nuclear force

3. Alpha particle is 7000 times more massive than:

A proton
A neutron
An electron (Answer)
A deuteron

4. Neutron was discovered by:

Compton in 1927
Rutherford in 1920
Bohr in 1913
Chadwick in 1932 (Answer)

5. The unit of half life is:

Pound
Kilogram
Second (Answer)
Meter

6. Rate of decay is actually described by:

Total life
Half life
Mean life
Decay constant (Answer)

7. Quarks are the basic building blocks of baryons and meson. This was proposed by:

Heisenberg
M. Glenn-Mann
G. Zweig
M. Glenn-Mann and G. Zweig (Answer)

8. Neutron was suggested to be in the nucleus by:

Dirac in 1928
Rutherford in 1920 (Answer)
Bohr in 1913
Anderson in 1932

9. A pair of quark and anti-quark makes a:

Proton
Neutron
Meson (Answer)
Baryon

10. The particles equal in mass or greater than proton are called:

Mesons
Baryons and Mesons
Positron
Baryons (Answer)

11. The particle which is 7000 times more massive than the electron is called:

γ-rays
Meson
Proton
α-particles (Answer)

12. The figure 1.007276u shows the mass of an:

Positron
Proton (Answer)
Atom
Electron

13. The magnitude of range of radiation particle through matter depends upon:

All of these (Answer)
Its mass and energy
Its charge
Density of the medium

14. Gamma radiation:

Has no change
Is a photon
Has no mass
All are true (Answer)

15. Unified mass scale means that atomic mass is expressed in:

Kg
Atomic mass unit and u only (Answer)
Atomic mass unit
u only