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

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Question # 1

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

Question # 2

Photocells are used for

Question # 3

A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.

Question # 4

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

Question # 5

Alpha particles are used for the treatment of skin of a patient due to.

Question # 6

A slow neutron can cause fission in

Question # 7

X-rays are

Question # 8

The division and germier experiment relates to

Question # 9

Which of the following is believed to be carrier o nuclear forces.

Question # 10

The half life of a radioactive substance depend on.

Question # 11

The input resistance of a JFET is of the order of.

Question # 12

There are how many types of forces or interactions.

Question # 13

The mass of an alpha particle is.

Question # 14

In an electronic transition atom cannot emit

Question # 15

The tunnel effect makes possible

Question # 16

In the fusion process, there are

Question # 17

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

Question # 18

The most familiar example of radioactive dating is.

Question # 19

The band width of an audio amplifier is.

Question # 20

An operational amplifier have how many input terminals.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Radio carbon in the atmosphere is produced by the bombardment of.
A. Oxygen by high energy neutrons
B. Oxygen by high energy protons
C. Nitrogen by high energy protons
D. Nitrogen by high energy neutrons
2 An emitter follower has
A. High input impedance and high output impedance
B. High input impedance and low output impedance
C. Low input impedance and low output impedance
D. Low input impedance and high output impedance
3 The resistance between(+) and (-) inputs of an amplifier is.
A. Zero
B. Low
C. High
D. Infinity
4 The emission of Beta particle from protonium -218 results in the formation of.
A. Protactinium -231
B. Thorium -232
C. Astatine -218
D. Radon -222
5 How much large is the proton mass than the electron mass.
A. 1536
B. 1636
C. 1736
D. 1836
6 In an electronic transition atom cannot emit
A. Gama rays
B. Visible rays
C. Infrared rays
D. Ultraviolet rays
7 The particles less in mass than protons are
A. Measons
B. Bosons
C. Baryons
D. Nucleons
8 The back ground radiation in the atmosphere on the average is
A. 0.5 Sv per year
B. 1.0 Sv per year
C. 1.5 Sv per year
D. 2.0 Sv per year
9 Which of the following has the highest relative biological effectiveness or the quality factor.
A. X rays and Gama rays
B. Electrons
C. Photons
D. Alpha particles
10 In a photocell, certain metals emit electrons for
A. Visible light
B. X-rays
C. Infrared light
D. Ultraviolet light

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