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

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PPSC Physics Topic 7 Modern Physics

00:00
Question # 1

The energy of neutrons obtained during a fission reaction is.

Question # 2

A perfect back body

Question # 3

During transition, atom cannot emit

Question # 4

When a platinum wire is heated of 1600 oC, it becomes

Question # 5

Mean life of a radioactive sample is 100 s its half life will be

Question # 6

In radiotherapy X-rays are used to.

Question # 7

The Beta particles move along.

Question # 8

The maximum K.E. with which photoelectrons are emitted depends very strongly on the.

Question # 9

Which six particles and their antiparticles interact by the weak interaction.

Question # 10

Which particle has zero charge and zero rest mass.

Question # 11

The 'x' in X-rays means

Question # 12

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

Question # 13

When a posirtron is emitted it causes.

Question # 14

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 # 15

Radioactive decay series can be represents on

Question # 16

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

Question # 17

Which of the following atom pair have the same structure.

Question # 18

The output of two input OR gate is zero only when its.

Question # 19

Nuclear force exists between

Question # 20

The charge on a helium nucleus is equal to the charge of.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following configuration of BJTs gives both voltage gain and current gain.
A. common Base
B. Common Emtter
C. Common collector
D. All of the above
2 Marie Curie and Pierre Curie discovered two new radioactive elements which are.
A. Uranium and radkum
B. Platinum and radium
C. Polonium and radium
D. Crypton and radon
3 The input resistance of a JFET is of the order of.
A. 1 M Mega
B. 10 M Mega
C. 100 M Mega
D. 1,000 M Mega
4 Deuterium is
A. A transuranic element
B. A type o cosmic particle
C. An isotope of hydrogen
D. An isotope of helium
5 Which of the following describes that the time interval between two events may be different in different of references
A. Simullaneously
B. Time dilation
C. Length contraction
D. Mass variation
6 Which of the following properties is not exhibited by X-rays.
A. Interference
B. Diffraction
C. Polarization
D. Deflection of electric field
7 Which of the following are particle accelerators.
A. Cyclotrons
B. Synchrotrons
C. Linear accelerators
D. All of the above
8 Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.
A. 2.4 J
B. 4.2 J
C. 12.3 eV
D. 13.6 eV
9 The part of theory of relativity which deals with accelerated bodies is called.
A. special theory of relativity
B. General theory of relativity
C. Lorentz's theory of relativity
D. Galilean theory of relativity
10 The reciprocal of decay constant lamda of a radioactive substances is equal to.
A. total life
B. Half life
C. Mean life
D. Curie

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