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	Most widely used types of gas LASER are	A. Neon B. Argon ion C. Helium D. All of these
2	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
3	The path of electron in Rutherford atomic model according to classical theory a.	A. Parabolic B. Straight line C. Spiral D. Circular
4	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
5	Which of the following propagates at the same speed as velocity of light.	A. Heat waves B. Sound waves C. Shock waves D. Beta particles
6	The number of electrons in U nucleus are.	A. 92 B. 235 C. zero D. 143
7	The working of cloud chamber is based in the presence of.	A. Super heated vapours B. Liquid C. Super saturated vapors D. Unsaturated vapours
8	An operational amplifier can be used as a	A. Comparator B. Night switch C. Inverting and non inverting amplifier D. All of the above
9	the gain of an amplifier is independent of	A. The two externally connected resistances B. What is happening inside the amplifier C. Internal structure of the amplifier D. All of the above
10	Hydrogen bomb is based on	A. Controlled chain reaction B. Uncontrolled chain reaction C. Nuclear fusion D. Nuclear fission

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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

LASER is a device which can produce.

In heavy atims the electrons are assumed to be arranged in.

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

When an electron and a positron are annihilated, then number of protons produced is.

Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

Which of the following can be used as an arrester in a nuclear reactor.

An Alpha particle is the same as

Which of the following describes that the time interval between two events may be different in different of references

Alpha particles emitted from a radioactive material are.

The reciprocal of decay constant lamda of a radioactive element is.

The term used for the emission of electrons when light strikes a surface.

Which of the following detectors can count fast and operate at low voltage.

A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.

Which particle has zero charge and zero rest mass.

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

Transistors with various combinations are widely used as switches in.

The value of open loop gain for the amplifier is

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

In order to reduce uncertainty in momentum one must use light of.

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

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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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