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

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

Question # 2

Which temperature is required for the fusion of two nuclides.

Question # 3

In Compton's effect it was considered that X-rays consist of

Question # 4

If an object moves with velocity of light the apparent mass of the object as compared to list original mass is

Question # 5

In potential for the material of cathode pure metals are rarely used because of their

Question # 6

The input resistance of a JFET is of the order of.

Question # 7

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

Question # 8

The binary equivalent of 25 is

Question # 9

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 # 10

A perfect back body

Question # 11

In CE amplifier phased reversal occurs when the output voltage is taken between

Question # 12

An important property of an ideal power supply is.

Question # 13

One radian is equal to.

Question # 14

The SI unit of current gain is.

Question # 15

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

Question # 16

X-rays are absorbed maximum by

Question # 17

The charge on a helium nucleus is equal to the charge of.

Question # 18

The phenomenon of radioactivity is associated with

Question # 19

In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.

Question # 20

Which given quantity remains the same in isotones.

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 Alpha particles emitted from a radioactive material are.
A. He nucliei
B. H -nucliei
C. Li nucliei
D. B nucliei
2 Two electrons approach each other their relative velocity will be.
A. Zero
B. c
C. c/2
D. Infinity
3 The emission of photons by a metal when electrons are incident is called.
A. Photo electric effect
B. Pair production
C. X-rays production
D. Gama ray production
4 Which type of amplifier causes minimum drain of power supply.
A. Class -A
B. Class -B
C. Class-C
D. Class -AB
5 Which of the following are electromagnetic waves.
A. Alpha particles
B. Beta particles
C. Gama rays
D. Water waves
6 The simple form of particle accelerator is.
A. Cathode ray tube
B. Oscillator
C. Amplifier
D. Phase locked loop
7 From which radiation it is most difficult to protect oneslelf.
A. Alpha radiation
B. Beta radiation
C. Gama radiation
D. Heat radiation
8 One rem is equal to.
A.
0.1 Sv
B. 0.01 Sv
C. 0.001 Sv
D. 0.0001 SV
9 Which of the following describes that the time interval between two events may be different in different of references
A. Simullaneously
B. Time dilation
C. Length contraction
D. Mass variation
10 Which of the following circuits is used as local oscillator in radio receivers.
A. AF oscillator
B. Phase Local Loop
C. RF oscillator
D. All of the above

Test Questions

Is this page helpful?