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

A device used to determine mass of an isotope quite accurately is known as.

Question # 2

Which of the following describes that the time interval between two events may be different in different of references

Question # 3

Which of the following is required for maintaining sustained chain reaction.

Question # 4

When Be is bombarded by alpha particles, then we obtain

Question # 5

The ionization potential of hydrogen atom is.

Question # 6

Bohr's atomic model assumes

Question # 7

Which one of the following has maximum frequency.

Question # 8

Why is a capacitor resistor combination used in oscillators in grid circuit.

Question # 9

In a nuclear reactor chani reaction is controlled by introducing.

Question # 10

When a platinum wire is heated of 1600 oC, it becomes

Question # 11

The process of energy generation in sun and stars is.

Question # 12

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

Question # 13

The reciprocal of decay constant lamda of a radioactive substances is equal to.

Question # 14

Photocells are used for

Question # 15

In de Brogile model electron orbit must form

Question # 16

The phenomenon of radioactivity is associated with

Question # 17

One particle having zero mass and zero charge is.

Question # 18

Which both elements are good for nuclear fission.

Question # 19

The exitance of more than one distinct state with the same energy is called.

Question # 20

Which experiment is a demonstration that matter and energy can display properties of both waves and particles.

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 phenomenon cannot be understood by quantum theory.
A. Photo electric effect
B. Compton effect
C. X-Rays production
D. Interference
2 The part of theory of relativity which deals with accelerated bodies is called.
A. special theory of relativity
B. General theory of relativity
C. Lorentz's theory of relativity
D. Galilean theory of relativity
3 The advantage of electron tube over a transistor is.
A. Its high efficiency
B. Its high gain
C. Low consumption of power
D. Low input impedance
4 If we use two diodes and a centre tapped transformer we eill get
A. Transistor
B. Amplifier
C. Half wave rectifier
D. Full wave rectifier
5 Which of the following wavelength lies in X-rays region.
A. 1 A
B. 100 A
C. 1,000 A
D. 10,000 A
6 LED is a p-n junction that emits
A. Visible light
B. X- rays
C. Ultraviolet light
D. electromagnetic waves
7 The potential due to which an electron is lifted from gerund state to excited state is.
A. Potential gradient
B. excitation potential
C. Ionization potential
D. Potential difference
8 Phenomenon of radioactivity is due to disintegration of.
A. Proton
B. Neutron
C. electron
D. nucleus
9 Which of the following is believed to be carrier o nuclear forces.
A. Lepton
B. Meson
C. Bason
D. Baryon
10 Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.
A. 1/4
B. 1/8
C. 1/16
D. 1/32

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!