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 photons emitted in inner shell transition are.

Question # 2

The particles equal in mass or greater than protons are called.

Question # 3

The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.

Question # 4

Phenomenon of radioactivity is due to disintegration of.

Question # 5

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

Question # 6

The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.

Question # 7

Which one of the following has the largest wavelength.

Question # 8

Magnetic field does not cause deflection in

Question # 9

X-rays are good for imagining

Question # 10

The SI unit of radioactivity is.

Question # 11

Which one among these contacts in a transistor is non rectifying.

Question # 12

Which of the following is not a mode of radioactive decay

Question # 13

Which of the following propagates at the same speed as velocity of light.

Question # 14

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

Question # 15

Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.

Question # 16

When a posirtron is emitted it causes.

Question # 17

In a fission reactor which particle causes a uranium -235 nucleus to split.

Question # 18

An increase in frequency above threshold frequency results in.

Question # 19

The Compton effect in X-rays proves that

Question # 20

The ionization potential of hydrogen atom 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 Which of the following quantities is discrete according to Bohr's hypothesis.
A. Momentum
B.
Potential energy
C. Angular velocity
D. Angular momentum
2 The possible values of principal quantum number are.
A. only zero
B. 0,1,2,...................7
C. 1,2,3........................8
D. 2,3,4,6...............10
3 The ionization potential of hydrogen atom is.
A. 10.2 V
B. 13.6 V
C. 12.97 V
D. 27.2 V
4 The term used for the emission of electrons when light strikes a surface.
A. The zeeman effect
B. The photo electric effect
C. Skin effect
D. Compton effect
5 The phenomenon of Compton's effect process that right has
A. Wave nature
B. Particle nature
C. Dual nature
D. Corpuscular nature
6 The SI unit of radioactivity is.
A. Becquerl
B. Curie
C. Joule
D. rutherford
7 The bunding energy per nucleon for iron is.
A. zero
B. Maximum
C. Negative
D. Minimum
8 The unit of Rydberg constant R is
A. m
B. m3
C. m-1
D. m-2
9 Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
A. Simultaneously
B. Mass variation
C. time dilation
D. Length contraction
10 In heavy atims the electrons are assumed to be arranged in.
A. Elliptical shells
B. Inner shells
C. Concentric shells
D. Outer shells

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!