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

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PPSC Physics Topic 7 Modern Physics

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Question # 1

The potential due to which an electron is lifted from gerund state to excited state is.

Question # 2

Which of the following configuration of BJTs gives both voltage gain and current gain.

Question # 3

Which experiment confirmed the de Broglie hypothesis.

Question # 4

The chemical behavior of an atom is determined by

Question # 5

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

Question # 6

Negative feedback

Question # 7

The rest mass of a particle is independent of the

Question # 8

Positron are produced during.

Question # 9

Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.

Question # 10

Which given quantity remains the same in isotones.

Question # 11

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

Question # 12

What is the relativistic version of the Schrodinger equation.

Question # 13

Transistors with various combinations are widely used as switches in.

Question # 14

Usually in an operational amplifier the inputs used are of

Question # 15

Which of the following is deflected by an electric field.

Question # 16

Which of the following detectors can count fast and operate at low voltage.

Question # 17

The change in wavelength of an X-ray when scattered from an electron is called.

Question # 18

How positives feedback will effect an amplifier.

Question # 19

White light a tungsten filament lamp is passed through sodium vapor and viewed through a diffraction gritting Which of the following best describes the spectrum which would be seen.

Question # 20

The electrons behave as wave because.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which quantity remains fixed in isobars.
A. Mass number
B. Atomic number
C. Number of neutrons
D. Number of protons
2 Which type of radiation would be stopped completely by a thin piece of cardboard.
A. Alpha particles
B. Beta particles
C. Gama rays
D. X -rays
3 Mean life of a radioactive sample is 100 s its half life will be
A. 0.693 s
B.
1 s
C. 6.93 s
D. 69.3 s
4 Marie Curie and Pierre Curie discovered two new radioactive elements which are.
A. Uranium and radkum
B. Platinum and radium
C. Polonium and radium
D. Crypton and radon
5 A solid state detector is basically
A. A reverse biased p-n junction
B. A forward biased p-n junction
C. A p-n -p transistor
D. A n-p-n transistor
6 The best shield against Gama rays would be of
A. Heavy water
B. Aluminium
C. Iron
D. Lead
7 Which of the following propagates at the same speed as velocity of light.
A. Heat waves
B. Sound waves
C. Shock waves
D.
Beta particles
8 Which experiment confirmed the de Broglie hypothesis.
A.
Double slit experiment
B. Division germier experiment
C. Schrodinger's Cat experment
D. Bohr's experiment
9 Which one of the following has maximum frequency.
A. Visible light
B. Gama rays
C. Ultraviolet rays
D. Infrared rays
10 The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.
A. Molecular force
B. Nuclear force
C. Atomic force
D. Gravitational force

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