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 total energy of an electron in an orbit around the nucleus is.

Question # 2

The nucleus of tritium is called.

Question # 3

In a nuclear reactor chani reaction is controlled by introducing.

Question # 4

A unijunction transistor

Question # 5

Which uranium isotope having the atomic weights as given below is easily fissionable.

Question # 6

The path of Gama rays in Wilson cloud chamber is

Question # 7

Which one of the following gates in a a universal gate.

Question # 8

The phenomenon of Compton's effect process that right has

Question # 9

Which of the following radiations will burn human skin

Question # 10

The energy in an electromagnetic wave is carried in the units called.

Question # 11

The photons emitted in inner shell transition are.

Question # 12

Which one of the following is a neutron absorber

Question # 13

The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.

Question # 14

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

Question # 15

The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.

Question # 16

LASER beam my be measure very large distance because it is.

Question # 17

The term used for the emission of electrons when light strikes a surface.

Question # 18

Which one of the following has maximum frequency.

Question # 19

At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.

Question # 20

Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.

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 The binding energy per nucleon for uranium is about.
A. 7.7 MeV
B. 9.6 MeV
C. 13.6 MeV
D. 21.6 MeV
2 The emission of Beta particle from protonium -218 results in the formation of.
A. Protactinium -231
B. Thorium -232
C. Astatine -218
D. Radon -222
3 the wavelength of continuous X-rays is inversely proportional to.
A. Intensity of incident electron beam
B. Temperature of the target
C. Intensity of X-rays
D. The energy of electrons striking the target
4 The mass of an helium nucleus is equal to.
A. 2.0015 u
B. 3.0015 u
C. 4.0015 u
D. 5.0015 u
5 One becquerel is equal to
A. Decay of orie radioactive atoms per second
B. Decay of 10 radioactive atoms per secnd
C. Decay of 100 radioactive atoms per second
D. Decay of infinity radioactive atoms per second.
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 Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.
A. Attraction of nucleus
B. Collision with nuclei
C. Interactions with electrons
D. Electrostatic repulsion by the nucleus
8 The best shield against Gama rays would be of
A. Heavy water
B. Aluminium
C. Iron
D. Lead
9 The SI unit of decay constant is.
A. m
B. m-1
C. s-1
D. N m-1
10 The bunding energy per nucleon for iron is.
A. zero
B. Maximum
C. Negative
D. Minimum

Test Questions