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

The Inner electrons in heavy atoms can be disturbed and dislodged by.

Question # 2

Which of the following is basic transistor configuration.

Question # 3

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

Question # 4

When we pass a radiation from a radioactive material through an electric field.

Question # 5

When a beta particle travels though a medium it knocks out electrons from the atoms due to.

Question # 6

Which one of the following has the largest wavelength.

Question # 7

What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.

Question # 8

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

Question # 9

What is the basic advantage of class A operation of an amplifier.

Question # 10

In electromagnetic spectrum X-rays are next to.

Question # 11

In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.

Question # 12

The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.

Question # 13

A transistor can be used as

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

NOR gate is a combination of.

Question # 16

Hydrogen bomb is based on

Question # 17

Radius of the Bother's orbit is r the radius of second orbit will be.

Question # 18

The term used for the emission of electrons when light strikes a surface.

Question # 19

If we use two diodes and a centre tapped transformer we eill get

Question # 20

The X-rays coming from a X-rays tube

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which experiment is a demonstration that matter and energy can display properties of both waves and particles.
A. young's double slit experiment
B. Division germier experiment
C. Heisenberg's uncertainty experiment
D. Stern Gerlach experiment
2 The possible values of principal quantum number are.
A. only zero
B. 0,1,2,...................7
C. 1,2,3........................8
D. 2,3,4,6...............10
3 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
4 The value of open loop gain for the amplifier is
A. zero
B. very low
C. very high
D. of an intermediate vaue
5 In an electronic transition atom cannot emit
A. Gama rays
B. Visible rays
C. Infrared rays
D. Ultraviolet rays
6 Which of the following is invariant under Galilean transformation.
A. Velocity
B. Impulse
C. Momentum
D. Distance
7 How much large is the proton mass than the electron mass.
A. 1536
B. 1636
C. 1736
D. 1836
8 The total number nucleons in a nucleus are called.
A. Mass number
B. Atomic number
C. Neutron number
D. Isotopes
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 continuous x rays spectrum is obtained due to
A. Deceleration of impact electrons
B. Breaking potential
C. Excitation potential
D. Ionization potential

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