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 process of energy generation in sun and stars is.	A. Fusion of heavy nuclei B. fusion of light nuclei C. Fission of light nuclei D. Solar panels
2	Which one of the following quantities is conserved in a nuclear reactor.	A. Energy only B. Mass only C. Momentum only D. Mass energy and momentum
3	A newly prepared radioactive nuclide has a decay constant Lamda of 10-6 s-1 What is the approximate half life of the nuclide.	A. 1 hour B. 1 day C. 1 week D. 1 month
4	One becquerel is equal to	A. Decay of orie radioactive atoms per second B. Decay of 10 radioactive atoms per secnd C. Decay of 100 radioactive atoms per second D. Decay of infinity radioactive atoms per second.
5	Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.	A. Attraction of nucleus B. Collision with nuclei C. Interactions with electrons D. Electrostatic repulsion by the nucleus
6	The energy that must be added to separate the nucleus is called.	A. Critical energy B. Binding energy C. Gravitational energy D. Electrostatic energy
7	In CC configuration voltage gain is.	A. Less than one B. More than one C. One D. Zero
8	Which six particles and their antiparticles interact by the weak interaction.	A. Leptons B. Hadrons C. Muons D. pi mesons
9	Which is the famous standard model of the universe.	A. the big bang B. Casmos C. Astronaut D. The small stap
10	The constant lamda is called the.	A. Decay constant B. Gas constant C. Planck's constant D. Dose constant

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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

Current gain of a CE amplifier is 50, ITS hfe is about

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

There are how many types of forces or interactions.

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

The maximum energy of emitted photoelectron is measured by

According to Max. Planck, energy is released or absorbed in discrete packets called.

The output of two input OR gate is zero only when its.

The average energy released per fission of U is about

A slow neutron can cause fission in

What is the scale for measurement of Banbridge mass spectrograph.

Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.

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

The half life of a radioactive substance as compared to its mean lif eis.

A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.

When transistor works as an amplifier, its output is.

Which type of amplifier causes minimum drain of power supply.

In a Nuclear reactor which material is often used as modeerator.

X-ray are

The binary equivalent of 25 is

Which particles have spin quantum number 1/2

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

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Set 17

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Set 19

Set 20

Set 21

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PPSC Physics Chapter 7 Important MCQ's

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