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

What is the relativistic version of the Schrodinger equation.

Question # 2

One particle having zero mass and zero charge is.

Question # 3

What are isotopes.

Question # 4

In annitilation of matter, positron and electron pair disappears into two

Question # 5

The absorption of X-rays in a given material follows.

Question # 6

In de Brogile model electron orbit must form

Question # 7

The SI unit of radioactivity is.

Question # 8

The relationship between mass number atomic number and neutron number is.

Question # 9

The advantage of electron tube over a transistor is.

Question # 10

A spectroscope sorts out

Question # 11

The Beta particles move along.

Question # 12

NOR gate is a combination of.

Question # 13

How many terminals does a BJT have.

Question # 14

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

Question # 15

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

Question # 16

In a photocell, certain metals emit electrons for

Question # 17

When of the following radiations are not emitted by electron transitions in atoms.

Question # 18

Sub atomic particles which experience strong nuclear force are.

Question # 19

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

Question # 20

An operational amplifiers will act as an inverting amplifier when the input signal is connected to.

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 What is the effect of electric and magnetic fields on X-rays
A. X-rays are deflected
B. X-rays are not deflected
C. X-rays are sometimes deflected and sometimes not
D. Nothing can be said
2 Deuterium is
A. A transuranic element
B. A type o cosmic particle
C. An isotope of hydrogen
D. An isotope of helium
3 The absorption of X-rays in a given material follows.
A. A parabola path
B. Is straight line
C. An exponential curve
D. A circle
4 X-rays are not used in RADARs because
A. They are not reflected by the target
B. they are not completely absorbed by air
C. They damage the target
D. They are reflected by the target
5 What are isotopes.
A. Atoms of the same element with different numbers of neutrons.
B. Atoms of the same element with different numbers of protons.
C. Atoms which are radioactive
D. Atoms which have gained or lost an electron
6 A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials.
A. 5 days
B. 10 days
C. 40 days
D. 20 days
7 The half life of a radioactive substance depend on.
A. Pressure
B. Temperature
C. Amount of substance
D. No external influences
8 On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.
A. Target material
B. Accelerating voltage
C. Filament temperature
D. Separation between target and the filament
9 In potential for the material of cathode pure metals are rarely used because of their
A. Low reflecting power
B. High reflecting power
C. Low resolving power
D. High resolving power
10 48 days after the receipt the amount of iodine -131 left behind is only.
A. 0.1325 g
B. 0.2135 g
C. 0.3125 g
D. 0.1235 g

Test Questions

Is this page helpful?