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

What is the relativistic version of the Schrodinger equation.

Question # 2

The tunnel effect makes possible

Question # 3

The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by

Question # 4

The continuous X rays spectrum is due to an effect.

Question # 5

Which of the following is the most massive particle.

Question # 6

Beta decay may occur by

Question # 7

Which of the following is not a mode of radioactive decay.

Question # 8

Which one the following is not a component of a Bipolar junction Transistor

Question # 9

In de Brogile model electron orbit must form

Question # 10

Which of the following are electromagnetic waves.

Question # 11

The ionization potential of hydrogen atom is.

Question # 12

For the normal operation of transistor the emitter base junction is always.

Question # 13

The energy delivered to the tissue per unit mass is called the absorbed dose of.

Question # 14

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 # 15

When Photon incident on a metal produce the emission of electrons the process is called.

Question # 16

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

Question # 17

Which one of the following spectra series is in the ultraviolet region.

Question # 18

When an object moves with a very high speed the length in the direction of motion.

Question # 19

Positron are produced during.

Question # 20

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

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 X-rays are
A. Longitudinal wave
B. Transvers waves
C. Secondary waves
D. Fast sound waves
2 Most widely used types of gas LASER are
A. Neon
B. Argon ion
C. Helium
D. All of these
3 In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.
A. Tunneling
B. Thermal runway
C. Pinch off
D. Early effect
4 How many terminals does a BJT have.
A. 1
B. 2
C. 3
D. 4
5 Positron are produced during.
A. Annihilation
B. ionization
C. Pair production
D. x rays production
6 Which of the following properties is not exhibited by X-rays.
A. Interference
B. Diffraction
C. Polarization
D. Deflection of electric field
7 Which of the following wavelength lies in X-rays region.
A. 1 A
B. 100 A
C. 1,000 A
D. 10,000 A
8 Compton scattering experiment seemed to indicate that radiation had
A. Wave nature
B. Particle nature
C. Wave particle nature
D. X-rays nature
9 The energy that must be added to separate the nucleus is called.
A. Critical energy
B. Binding energy
C. Gravitational energy
D. Electrostatic energy
10 Which of the following is basic transistor configuration.
A. CB
B. CC
C. CE
D. All of these

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