PPSC Lecturer of Physics Online Test 32 Past Papers

Online Free Taleem is free online MCQ’s test related to Lecturer Physics. All the individuals who are going to appear in Lecturer Physics written test can attempt these tests in order to prepare for it in best possible way. Our tests of Lecturer of Physics include all the important questions and Past Paper of  Lecturer Physics, that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
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Test Instructions:-
Test NameLecturer Physics 
SubjectPhysics Test 32
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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You have 20 minutes to pass to the quiz.


PPSC Lecturer of Physics Test 32

1 / 25

In a pure metal the collisions that are characterized by the mean free time τ in the expression for the resistivity are chiefly between:

2 / 25

The Fermi-Dirac occupancy probability P(E) varies between:

3 / 25

A pure semiconductor at room temperature has:

4 / 25

When ordinary sulfur, 32S (Z = 16), is bombarded with neutrons, the products are 32P (Z = 15) and:

5 / 25

The Fermi energy of a metal depends primarily on:

6 / 25

The occupancy probability for a state with energy equal to the Fermi energy is:

7 / 25

At room temperature kT is about 0.0259 eV. The probability that a state 0.50 eV below the Fermi level is unoccupied at room temperature is:

8 / 25

A hole refers to:

9 / 25

The 66Cu (Z = 29) produced in a nuclear bombardment is unstable, changing to 66Zn (Z = 30) by the emission of:

10 / 25

For a metal at room temperature the temperature coefficient of resistivity is determined primarily by:

11 / 25

For a pure semiconductor at room temperature the temperature coefficient of resistivity is determined primarily by:

12 / 25

The energy gap (in eV) between the valence and conduction bands of an insulator is of the order of:

13 / 25

The gray is the correct unit to use in reporting the measurement of:

14 / 25

The density of states for a metal depends primarily on:

15 / 25

When 23Na (Z = 11) is bombarded with protons, the products are 20Ne (Z = 10) and:

16 / 25

Which one of the following statements concerning electron energy bands in solids is true?

17 / 25

The sievert is the correct unit to use in reporting the measurement of:

18 / 25

For a pure semiconductor the Fermi level is:

19 / 25

A certain nucleus, after absorbing a neutron, emits a β and then splits into two alpha particles. The (A,Z) of the original nucleus must have been:

20 / 25

At room temperature kT is about 0.0259 eV. The probability that a state 0.50 eV above the Fermi level is occupied at room temperature is:

21 / 25

Aluminum has atomic number 13, helium has atomic number 2, and silicon has atomic number 14. In the nuclear reaction 27Al + 4He → 30Si + ( ) the missing particle is:

22 / 25

If the density of states is N(E) and the occupancy probability is P(E), then the density of occupied states is:

23 / 25

The becquerel is the correct unit to use in reporting the measurement of:

24 / 25

Electrons in a full band do not contribute to the current when an electric field exists in a solid because:

25 / 25

In a metal at 0K, the Fermi energy is:

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