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

  • Total Questions20

  • Time Allowed20

PPSC Physics Topic 7 Modern Physics

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Question # 1

Nuclear force as compared to electrostatic force is.

Question # 2

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

Question # 3

The binary equivalent of 25 is

Question # 4

The energy equivalent of 1 kg of matter a

Question # 5

A gama ray of energy 1900 MeV is absorbed by

Question # 6

The angular speed of an electron in the nth orbit of Bohr's hydrogen atom is.

Question # 7

The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.

Question # 8

Which particle interact via all fundamental forces.

Question # 9

Emitter follower amplifier is an example of.

Question # 10

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

Question # 11

The total number nucleons in a nucleus are called.

Question # 12

Which one the following is not a component of a Bipolar junction Transistor

Question # 13

One rem is equal to.

Question # 14

In scattering experiment which force scatters alpha particle.

Question # 15

Which type of amplifier causes minimum drain of power supply.

Question # 16

The critical mass of fissionable uranium -235 can be reduced by

Question # 17

During transition, atom cannot emit

Question # 18

When objects placed in a room are exposed to X- rays they appear

Question # 19

The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.

Question # 20

The absorption of X-rays in a given material follows.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which one of the following is a neutron absorber
A. Pb
B. Cd
C. Cu
D. Ag
2 Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.
A. Photoelectric effect
B. Zeeman effect
C. Shadow photography
D. Ionization
3 How many types of quarks were suggested i 1964 quark theory.
A. Two
B. Three
C. Four
D. Five
4 In heavy atims the electrons are assumed to be arranged in.
A. Elliptical shells
B. Inner shells
C. Concentric shells
D. Outer shells
5 Low frequency response of an amplifier is mainly limited by.
A. Biasing configuration
B. Coupling capacitor
C. By pass capacitor
D. Input impedance
6 The critical mass of a fission reaction is.
A. The mass to start a nuclear fission reaction
B. The minimum mass for chain reaction
C. The size of the reactor core
D. The size of fuel plus the size of moderator
7 The exitance of more than one distinct state with the same energy is called.
A. Exigency
B. Degeneracy
C. Normally
D. Emergency
8 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
9 A darling ion amplifier is characterized by
A. High voltage and current gain
B. High input resistance and current gain
C. High output resistant and current gain
D. Low input resistance and current gain
10 The half life of a radioactive element depends upon.
A. Temperature
B. pressure
C. nature of element
D. quantity of the element

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