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	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.	A. Coloured lines on a black background B. Coloured lines on a white background C. Dark lines on a coloured background D. Dark lines on a white background
2	Which of the following is believed to be carrier o nuclear forces.	A. Lepton B. Meson C. Bason D. Baryon
3	The electrons behave as wave because.	A. They can be diffracted by a crystal B. They can be defecting by magnetic field C. They can be deflecting by electric field D. they can produce ions in gases
4	How much large is the proton mass than the electron mass.	A. 1536 B. 1636 C. 1736 D. 1836
5	Radioactive substances do not emit	A. Alpha particles B. Beta particles C. Gama rays D. Neutrons
6	The SI unit of absorbed dose in.	A. Bel B. Weber C. Rem D. Grey
7	The tunnel effect makes possible	A. Alpha decay B. Gama rays C. Positive Beta decay D. negative Beta dacay
8	Which given quantity remains the same in isotones.	A. Mass number B. Atomic number C. Number of neutrons D. Number of protons
9	The constant lamda is called the.	A. Decay constant B. Gas constant C. Planck's constant D. Dose constant
10	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

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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

An oscillator is basically an amplifier with loop gain

When a beta particle travels though a medium it knocks out electrons from the atoms due to.

The part of theory of relativity which deals with accelerated bodies is called.

The energy in an electromagnetic wave is carried in the units called.

The average energy released per fission of U is about

In de Brogile model electron orbit must form

How many types of quarks were suggested i 1964 quark theory.

A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.

Work function is generally expressed in.

Sub atomic paticles whihc does not experience strong nuclear force are.

Which particle interact via all fundamental forces.

The mass of an alpha particle is.

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

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

The input exultation for a JFET is

The mass defect of Bohr's atomic model is

Which one of the following has maximum frequency.

Which of the following circuits is used as local oscillator in radio receivers.

Which one of the following is a convenient energy unit to express the energy of sub atomic particles.

The electron behave an waves because

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Set 18

Set 19

Set 20

Set 21

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PPSC Physics Chapter 7 Important MCQ's

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