PPSC Physics Topic 7 MCQ Test With Answer

Prepare Modern Physics and all other important topics with PPSC Physics online test. Modern Physics is a term that is used to describe all the discoveries and observations that made physicists rethink their understanding of Physics in the 19th and 20th centuries. In this day and age, one can't study Physics without having a firm understanding of concepts of Modern Physics. That’s why seekers for PPSC Physics jobs need to understand the subject of Modern Physics. Examiners ask many questions from this topic in the PPSC Physics test.

To make the PPSC exam preparation easier for you, team IlmKiDunya.com has created the PPSC Physics online test portal. On this page, you can attempt the PPSC online test MCQs about Modern Physics. Many students complain that they don’t find information about the PPSC Physics exam preparation. We at IlmKiDunya.com bring PPSC online test to your fingertips so you can prepare quickly for the test.

MCQ's Test For PPSC Physics Topic 7 Modern Physics

Try The MCQ's Test For PPSC Physics Topic 7 Modern Physics

  • Total Questions20

  • Time Allowed20

PPSC Physics Topic 7 Modern Physics

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Question # 1

The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.

Question # 2

An emitter follower has

Question # 3

An AND gate is.

Question # 4

The possible values of principal quantum number are.

Question # 5

The process of pair production will take place if the energy of photon is greater than

Question # 6

In a cloud chamber the Alpha particles leave

Question # 7

Why FET amplifiers are called voltage controlled devices.

Question # 8

The neutral atoms of all isotopes of the same element contain the same numbers of.

Question # 9

Transistor stands for

Question # 10

The ionization energy for hydrogen atom is

Question # 11

In CE amplifier phased reversal occurs when the output voltage is taken between

Question # 12

Which given element has lowest work function

Question # 13

A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.

Question # 14

Radioactive decay series can be represents on

Question # 15

Which particle are not emitted by a radioactive substance.

Question # 16

Most widely used types of gas LASER are

Question # 17

A logic circuit with one input and one output that inverts the input signal at the output is.

Question # 18

A logic circuit whose output signal is '1' when inputs are different is.

Question # 19

Which of the following phenomenon cannot be understood by quantum theory.

Question # 20

Which configuration is used to connect high impedance source to a low impedance lead.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Transistor stands for
A. Transfer of resistance
B. Transfer of current
C. Transfer of power
D. Transfer of voltage
2 The angle of scattering for which the Compton shift is maximum is.
A. 0 o
B. 45 o
C. 80 o
D. 180 o
3 Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.
A. Archimede's principle.
B. Heisenberg uncertainty principle
C. Mosley's law
D. Schrodinger's wave equation
4 The Inner electrons in heavy atoms can be disturbed and dislodged by.
A. X rays
B. Alpha particle
C. Beta particles
D. gama particles
5 Which particle are not emitted by a radioactive substance.
A. Alpha particles
B. Beta particles
C. Gama particles
D. Neutrons
6 The critical mass of fissionable uranium -235 can be reduced by
A. Adding impurities to it
B. Heating the material
C. surrounding it by neutron reflecting material
D. Surrounding it by neutron absorbing material
7 Alpha particles emitted from a radioactive material are.
A. He nucliei
B. H -nucliei
C. Li nucliei
D. B nucliei
8 How positives feedback will effect an amplifier.
A. Increases the voltage gain
B. Decreases the voltage gain
C. Imitates oscillation to occur
D. Damaged it
9 What is the scale for measurement of Banbridge mass spectrograph.
A. Linear
B. Inverse
C. Exponential
D. Logarithmic
10 Magnetic field does not cause deflection in
A. Alpha particle
B. Beta minus particles
C. Beta plus particles
D. Gama rays

Test Questions

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