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	Which given quantity remains the same in isotones.	A. Mass number B. Atomic number C. Number of neutrons D. Number of protons
2	The rest mass of a particle is independent of the	A. Wavelength of the particle B. Mass of the particle C. Speed of the particle D. Energy of the particle
3	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
4	An emitter follower has	A. High input impedance and high output impedance B. High input impedance and low output impedance C. Low input impedance and low output impedance D. Low input impedance and high output impedance
5	Which particle is removed by a photon.	A. Quark B. Electron C. Proton D. Neutron
6	The emission of photons by a metal when electrons are incident is called.	A. Photo electric effect B. Pair production C. X-rays production D. Gama ray production
7	In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.	A. Critical frequency B. Typical frequency C. Threshold frequency D. Surface frequency
8	The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.	A. Faraday energy B. Wave number C. Ionization Potential D. Excitation potential
9	Which six particles and their antiparticles interact by the weak interaction.	A. Leptons B. Hadrons C. Muons D. pi mesons
10	The radius of first Bohr's orbit for hydrogen atom is.	A. 0.53 m B. 0.53 nm C. 0.053 nm D. 0.53 mm

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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

Cs - 137 is a radioisotope used ot determine the thickness of the walls of steel pipes Cs 137 is chosen because it emits

Push pull amplifiers employ

A darling ion amplifier is characterized by

The emission of photons by a metal when electrons are incident is called.

The chain reaction is controlled by a series of rods usually made of.

One becquerel is equal to

Choose the one which acts as single inverter.

Which of the following radiations will burn human skin

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

The result of the alpha particle scattering experiment gave evidence for which of the following.

Deuterium is

The value of open loop gain for the amplifier is

What is the relativistic version of the Schrodinger equation.

The unit Planck's constant is equivalent to that of.

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

In electromagnetic spectrum X-rays are next to.

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

During the alpha decay process

Which uranium isotope having the atomic weights as given below is easily fissionable.

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

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

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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