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

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Question # 1

Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.

Question # 2

The value of principal quantum number for an ionized atom is.

Question # 3

An example of continuous spectrum is.

Question # 4

Which of the following properties is not exhibited by X-rays.

Question # 5

At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.

Question # 6

Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.

Question # 7

A complete amplifier circuit made on a silicon chip and enclosed in a small capsule is

Question # 8

In a fission reactor which particle causes a uranium -235 nucleus to split.

Question # 9

Which of the following radiations can penetrate 20 cm thick steel.

Question # 10

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

Question # 11

The ionization potential of hydrogen atom is.

Question # 12

In CE amplifier phased reversal occurs when the output voltage is taken between

Question # 13

Mosley's law establishes the X-rays fluorescence of target element with is.

Question # 14

The energy that must be added to separate the nucleus is called.

Question # 15

The SI unit of absorbed dose in.

Question # 16

In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.

Question # 17

Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.

Question # 18

LASER beam my be measure very large distance because it is.

Question # 19

What is the effect of electric and magnetic fields on X-rays

Question # 20

The mass of proton is equal to.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which BJT configurations used for signal inversion.
A. CE
B. CC
C. CB
D. BE
2 Special theory of relativity deals with the events in the frames of reference which move with constant.
A. Time interval
B. Acceleration
C. Momentum
D. space interval
3 Ashes from a campfire deep in a cave show carbon -14 activity of only one eighth the activity of fresh wood. How long ago was that campfire made.
A. 13590 years
B. 15190 years
C. 17190 years
D. 21190 years
4 An operational amplifier have how many input terminals.
A. One
B. Two
C. Three
D. Four
5 X-ray are
A. Streams of negatively charted particles.
B. Electromagnetic wave
C. Streams of positively charged particles
D. Visible light
6 The relationship between mass number atomic number and neutron number is.
A. A = Z + N
B. A = Z - N
C. Z = A + N
D. N = Z - A
7 The process by which nuclei emit a ,b and gama rays in order to attain stability is called.
A. Radioactive disintegration
B. Radio activity
C. B decay
D. Radioactive transmulation
8 The emission of electrons from a metal surface when exposed to light of suitable frequency is called.
A. Pair production
B. Compton effect
C. Photo electric effect
D. Zeeman effect
9 The necessary condition for nuclear fusion is.
A. High temperature and high pressure.
B. Low temperature and high pressure
C. Low temperature and low pressure
D. High temperature and low pressure.
10 The binding energy per nucleon for uranium is about.
A. 7.7 MeV
B. 9.6 MeV
C. 13.6 MeV
D. 21.6 MeV

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