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 chain reaction is controlled by a series of rods usually made of.	A. uranium B. Cadimium C. Boron D. Steel
2	The loss of mass in a.m.u in a nuclear change can be calculated from energy involved in MeV by	A. Dividing by 931 B. Multiplying by 931 C. Diving by 391 D. Multiplying by 391
3	Specially designed solid state detector can be used to detect.	A. Alpha particles B. Beta particles C. Gama rays D. X- rays
4	When using the formula E = h lambda what unit should energy have.	A. Joule B. Watt second C. Newton metre D. Electron volt
5	Which of the following is basic transistor configuration.	A. CB B. CC C. CE D. All of these
6	Which of the following are electromagnetic waves.	A. Alpha particles B. Beta particles C. Gama rays D. Water waves
7	If we use two diodes and a centre tapped transformer we eill get	A. Transistor B. Amplifier C. Half wave rectifier D. Full wave rectifier
8	The neutral atoms of all isotopes of the same element contain the same numbers of.	A. Electrons and protons B. Electrons and neutrons C. Neutrons D. Neutrons and protons
9	The division and germier experiment relates to	A. Diffusion B. interference C. Polarization D. Electron diffraction
10	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.

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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 minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.

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

The half life of a radioactive substance is 6 years What is the time taken by 12 g of this substance to decay completely.

The nucleus of tritium is called.

Which of the following is not a mode of radioactive decay.

What are isotopes.

The half life of uranium -238 is

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

Which type of radiation would be stopped completely by a thin piece of cardboard.

The converse of pair production is

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

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

LED is a p-n junction that emits

The process of pair production will take place if the energy of photon is greater than.

An example of continuous spectrum is.

Which of the following is the most commonly used regions of operations for a transistor.

The radius of second orbit of hydrogen atom is

A slow neutron can cause fission in

The input resistance of a JFET is of the order of.

In a cloud chamber the Alpha particles leave

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PPSC Physics Chapter 7 Important MCQ's

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