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	Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.	A. 1/4 B. 1/8 C. 1/16 D. 1/32
2	The absorption of X-rays in a given material follows.	A. A parabola path B. Is straight line C. An exponential curve D. A circle
3	The phenomenon of radioactivity is associated with	A. Decay of nucleus B. Decay of atoms C. Fusion of nuclei D. Emission of electrons
4	What is the quantitative description of the effect of radiation on the living tissue.	A. Radiation dosimetry B. Radioactive dating C. Telemetry D. Dosage
5	In Compton's effect it was considered that X-rays consist of	A. Electrons B. Holes C. Neutrons D. Protons
6	Which particles have spin quantum number 1/2	A. Mesons B. Laptons C. Hadrons D. Muons
7	Critical mass is the minimum mass needed for	A. Fusion B. H-Bomb C. Chain reaction D. Binding energy
8	In heavy atims the electrons are assumed to be arranged in.	A. Elliptical shells B. Inner shells C. Concentric shells D. Outer shells
9	The wavelength of X-rays is of the ofder of.	A. 10^-14 m B. 10^-10 m C. 10^-9 m D. 10^-6 m
10	The maximum energy of emitted photoelectron is measured by	A. the largest potential difference they can traverse B. The current they produce C. The potential difference they produce D. The speed with they emerge

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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 input resistance of a JFET is of the order of.

How positives feedback will effect an amplifier.

Which of the following phenomenon cannot be understood by quantum theory.

In a cloud chamber the Alpha particles leave

The most suitable material for moderator in a nuclear reactor is.

An increase in frequency above threshold frequency results in.

Isotopes are the atoms of the same elements which contain equal number of.

The critical mass of a fission reaction is.

The most familiar example of radioactive dating is.

An operational amplifier can be used as a

One gray is equal to.

When of the following radiations are not emitted by electron transitions in atoms.

The emission of electrons from a metal surface when exposed to light of suitable frequency is called.

Nuclear force exists between

In CC configuration voltage gain is.

Which type of amplifier causes minimum drain of power supply.

The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.

Nuclear force as compared to electrostatic force is.

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

Two electrons approach each other their relative velocity will be.

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

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Set 7

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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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