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.

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PPSC Physics Chapter 7 Important MCQ's

Sr.#	Question	Answer
1	The best shield against Gama rays would be of	A. Heavy water B. Aluminium C. Iron D. Lead
2	The half life of a radioactive substance depend on.	A. Pressure B. Temperature C. Amount of substance D. No external influences
3	In an electronic transition atom cannot emit	A. Gama rays B. Visible rays C. Infrared rays D. Ultraviolet rays
4	The maximum energy of emitted photoelectron is measured by	A. the largest potential difference they can traverse B. The current they produce C. The potential difference they produce D. The speed with they emerge
5	An Alpha particle is the same as	A. A helium nucleus B. A high speed electron C. A hydrogen nucleus D. Electromagnetic radiation of short wavelength
6	In order to reduce uncertainty in momentum one must use light of.	A. Short wavelength B. Large wavelength C. Wavelength of intermediate value D. Wavelength of any value
7	The converse of pair production is	A. Annihilation of matter B. Materialization C. Compton effect D. Photo electric effect
8	Which given quantity remains the same in isotones.	A. Mass number B. Atomic number C. Number of neutrons D. Number of protons
9	What is the basic advantage of class A operation of an amplifier.	A. It has high efficiency B. It has high gain C. It has low distortion D. It has high distortion
10	X-rays travel with	A. The speed of light B. The speed of sound C. The speed of 3,000 m s-1 D. The speed of 3,500 m s-1

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PPSC Physics Topic 7 MCQ Test With Answer

MCQ's Test For PPSC Physics Topic 7 Modern Physics

PPSC Physics Topic 7 Modern Physics

A slow neutron can cause fission in

The most convenient unit for energy at the atomic level is.

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.

In fission reaction, heavy water is used as a

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

The scientific theory concerning the coming into existence of universe.

The ionization energy for hydrogen atom is

In which of the following studies x-rays are not helpful.

Which of the following is the most massive particle.

Nuclear force as compared to electrostatic force is.

Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.

Which given quantity remains the same in isotones.

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

An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.

The most readily fissionable isotope of uranium has atomic mass of

Cosmic rays mostly comprise of

Which of the following radiations can penetrate 20 cm thick steel.

The path of electron in Rutherford atomic model according to classical theory a.

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.

Prepare Complete Set Wise PPSC Physics Topic 7 Modern Physics MCQs Online With Answers

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

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PPSC Physics Chapter 7 Important MCQ's

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