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.

MCQ's Test For PPSC Physics Topic 7 Modern Physics

Try The MCQ's Test For PPSC Physics Topic 7 Modern Physics

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PPSC Physics Topic 7 Modern Physics

00:00
Question # 1

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

Question # 2

The SI unit of equivalent dose is

Question # 3

Which temperature is required for the fusion of two nuclides.

Question # 4

In scattering experiment which force scatters alpha particle.

Question # 5

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

Question # 6

The resistance between(+) and (-) inputs of an amplifier is.

Question # 7

A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials.

Question # 8

Particle which can be added to the nucleus of an atom with changing its chemical properties are called.

Question # 9

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

Question # 10

Which experiment is a demonstration that matter and energy can display properties of both waves and particles.

Question # 11

When objects placed in a room are exposed to X- rays they appear

Question # 12

Which one of the following spectra series is in the ultraviolet region.

Question # 13

The path of electron in Rutherford atomic model according to classical theory a.

Question # 14

The usefulness of X rays is largely due to their

Question # 15

The critical mass of fissionable uranium -235 can be reduced by

Question # 16

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

Question # 17

The working of cloud chamber is based in the presence of.

Question # 18

The energy of neutrons obtained during a fission reaction is.

Question # 19

In an electronic transition atom cannot emit

Question # 20

When Be is bombarded by alpha particles, then we obtain

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following is not a mode of radioactive decay
A. Nuclear fusion
B. Alpha decay
C. Electron capture
D. Positron emission
2 Induced fission result from the absorption of
A. electron
B. Proton
C. Nucleon
D. Neutron
3 As oscillator is basically an amplifier with loop gain
A. Zero
B. Infinity
C. Less than unity
D. More than unity
4 Phenomenon of radioactivity is due to disintegration of.
A. Proton
B. Neutron
C. electron
D. nucleus
5 An AND gate is.
A. Equivalent to a series switching circuit.
B. Equivalent to a parallel switching circuit
C. Equivalent ot universal gate
D. A reciprocal of NAND gate
6 Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.
A. Archimede's principle.
B. Heisenberg uncertainty principle
C. Mosley's law
D. Schrodinger's wave equation
7 In radiotherapy X-rays are used to.
A. Treat cancer
B. Delect bone fracture
C. Cure heart diseasee
D. All of the above
8 The 'x' in X-rays means
A. Xenon
B. Explosion
C. x for unknown
D. X makes the spot
9 The capture of neutron by a proton results in the formation of.
A. Deuteron and gama rays
B. Deuteron and alpha particle
C. Triton and Beta particles
D. Tritron and X rays
10 Radioactive decay series can be represents on
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper

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