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 result of the alpha particle scattering experiment gave evidence for which of the following.	A. Nuclear fusion B. Radio active decay C. Existence of isotopes D. Nuclear atom
2	A slow neutron can cause fission in	A. Uranium -238 B. Uranium-235 C. Hydrogen-1 D. Thorium -232
3	Work function is generally expressed in.	A. Electron volt B. Joules C. Newtons D. Gauss
4	Beta decay may occur by	A. Beta minus B. Beta Plus C. Electron capture D. All of these
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	Mosley's law establishes the X-rays fluorescence of target element with is.	A. Atomic weight B. Atomic number C. Density D. Lattice constant
7	Which of the following detectors can count fast and operate at low voltage.	A. G.M Counter B. Cloud chamber C. Solid state detector D. Bubble chamber
8	Which experiment is a demonstration that matter and energy can display properties of both waves and particles.	A. young's double slit experiment B. Division germier experiment C. Heisenberg's uncertainty experiment D. Stern Gerlach experiment
9	The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.	A. Pair production B. Pair annihilations C. Photoelectric effect D. Compton's effect
10	Why hydrogen atom does not emit x-rays.	A. its size is very small B. It contains only single electron C. In it energy levels are for apart D. In it energy levels are close to each other

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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

The energy of neutrons obtained during a fission reaction is.

The 'x' in X-rays means

The particles less in mass than protons are

The most abundant isotope of neon is.

The total number nucleons in a nucleus are called.

Compton scattering experiment seemed to indicate that radiation had

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

During transition, atom cannot emit

The maximum K.E of photo electrons depends upon

The electron behave an waves because

In a cloud chamber the Alpha particles leave

Which of the following is believed to be carrier o nuclear forces.

What is the relativistic version of the Schrodinger equation.

In de Brogile model electron orbit must form

the wavelength of continuous X-rays is inversely proportional to.

For the normal operation of transistor the emitter base junction is always.

Radioactivity is the phenomenon associated with the.

The continuous x rays spectrum is obtained due to

When using the formula E = h lambda what unit should energy have.

A body moves with velocity of 2 x 106 m s-1 its relativistic mass becomes

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Set 17

Set 18

Set 19

Set 20

Set 21

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Top Scorers Of PPSC Physics Topic 7 Modern Physics MCQ`s Test

PPSC Physics Chapter 7 Important MCQ's

Test Questions

A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes