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

Start Test Download PDF

PPSC Physics Topic 7 Modern Physics

00:00
Question # 1

The number of electrons in U nucleus are.

Question # 2

An oscillator is basically an amplifier with loop gain

Question # 3

Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.

Question # 4

The SI unit of radioactivity is.

Question # 5

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

Question # 6

In a transistor which one is very thin.

Question # 7

The molecular weight of D2O is

Question # 8

The bunding energy per nucleon for iron is.

Question # 9

What are isotopes.

Question # 10

In the fusion process, there are

Question # 11

The maximum K.E of photo electrons depends upon

Question # 12

Which of the following can be used as an arrester in a nuclear reactor.

Question # 13

The photons emitted in inner shell transition are.

Question # 14

Which one of the following is a neutron absorber

Question # 15

The half life of a radioactive substance depend on.

Question # 16

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

Question # 17

The mass of an alpha particle is.

Question # 18

Critical mass is the minimum mass needed for

Question # 19

The Beta particles move along.

Question # 20

Usually in an operational amplifier the inputs used are of

Submit

Prepare Complete Set Wise PPSC Physics Topic 7 Modern Physics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of PPSC Physics Topic 7 Modern Physics MCQ`s Test

  • Q
    Queen Fatima 22 - Aug - 2023 00 Min 47 Sec 20/20
  • M
    mahnoor javaid 25 - Sep - 2022 08 Min 10 Sec 17/20
  • S
    Sanina Arzoo 07 - Mar - 2023 04 Min 02 Sec 15/20
  • F
    Fiza Farooq 05 - Dec - 2022 06 Min 10 Sec 15/20
  • S
    Saira Malik 25 - Oct - 2022 00 Min 02 Sec 14/20
  • A
    Asma Azam 21 - Jan - 2022 03 Min 57 Sec 14/20
  • M
    Muhammad Zeshan 20 - Sep - 2024 06 Min 17 Sec 14/20
  • S
    SHERAZ AHMAD 17 - Oct - 2024 08 Min 57 Sec 14/20
  • W
    Waqar Ali 19 - Dec - 2023 11 Min 30 Sec 14/20
  • W
    wa-Qul rabbi Zidni ilma 04 - Dec - 2023 04 Min 59 Sec 13/20
  • N
    Nida Ashfaq 04 - Oct - 2022 06 Min 48 Sec 13/20
  • M
    Muhammad Ahsaan 26 - Aug - 2022 10 Min 12 Sec 13/20
  • F
    fida hussain 27 - Apr - 2023 04 Min 29 Sec 12/20
  • S
    Shaf Ashrafali 08 - Aug - 2024 04 Min 55 Sec 12/20
  • S
    shahid habib 31 - Mar - 2024 06 Min 29 Sec 12/20

PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In scattering experiment which force scatters alpha particle.
A. Nuclear force
B. Coulomb's force
C. Gravitational force
D. Centripetal force
2 Which of the following atom pair have the same structure.
A. N, C
B. B, Li
C. H2 , Ne
D. Li , Na
3 The critical mass of a fission reaction is.
A. The mass to start a nuclear fission reaction
B. The minimum mass for chain reaction
C. The size of the reactor core
D. The size of fuel plus the size of moderator
4 An oscillator is basically an amplifier with loop gain
A. Zero
B. Less than unity
C. More than unity
D. Infinity
5 Ebers-Moll model describes the working of a
A. BJT
B. FET
C. MOSFET
D. UJT
6 Which of the following is its own anti particle.
A. Photon
B. Electron
C. Proton
D. positron
7 Which of the following radiations can penetrate 20 cm thick steel.
A. Alpha particles
B. Beta particles
C. Gama particles
D. Neutrons
8 The energy equivalent of 1 kg of matter a
A. 10-15 J
B. 1 J
C. 1012J
D. 1017 J
9 X-rays travel with
A. The speed of light
B. The speed of sound
C. The speed of 3,000 m s-1
D. The speed of 3,500 m s-1
10 Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.
A. longer that that of visible light
B. Smaller than that of visible light
C. Same as that of visible light
D. Unpredictable

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!