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 wavelength of X-rays is of the ofder of.

Question # 2

The possible values of principal quantum number are.

Question # 3

An important property of an ideal power supply is.

Question # 4

The photons emitted in inner shell transition are.

Question # 5

Binding energy per nucleon is.

Question # 6

Which one of the following has the largest wavelength.

Question # 7

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

Question # 8

How many types of quarks were suggested i 1964 quark theory.

Question # 9

The unit generally used for measuring astronomical distances is.

Question # 10

The reciprocal of decay constant lamda of a radioactive element is.

Question # 11

A transistor can be used as

Question # 12

Which of the following can be used as an arrester in a nuclear reactor.

Question # 13

Push pull amplifiers employ

Question # 14

x-rays cannot produce

Question # 15

Transistor are made from

Question # 16

Work function is generally expressed in.

Question # 17

The binding energy per nucleon for uranium is about.

Question # 18

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

Question # 19

When an object moves with a very high speed the length in the direction of motion.

Question # 20

Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 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.
A. Pair production
B. Pair annihilations
C. Photoelectric effect
D. Compton's effect
2 Which configuration is used to connect high impedance source to a low impedance lead.
A. CE
B. CB
C. CC
D. BE
3 The half life of a radioactive element depends upon.
A. Temperature
B. pressure
C. nature of element
D. quantity of the element
4 How much large is the proton mass than the electron mass.
A. 1536
B. 1636
C. 1736
D. 1836
5 A device used to determine mass of an isotope quite accurately is known as.
A. Spectrometer
B. Mass spectrometer
C. Mass detector
D. Electronic balance
6 How positives feedback will effect an amplifier.
A. Increases the voltage gain
B. Decreases the voltage gain
C. Imitates oscillation to occur
D. Damaged it
7 Mass -energy relation means that the product of mass times the square of the speed of light must be equal to.
A. Torque
B. Momentum
C. Energy
D. Impulse
8 A single quantum of electromagnetic radiation is termed as.
A. Compton
B. Photon
C. Hyperon
D. Meson
9 Which BJT configurations used for signal inversion.
A. CE
B. CC
C. CB
D. BE
10 The most familiar example of radioactive dating is.
A. Nitrogen dating
B. Carbon dating
C. Hydrogen dating
D. Helium dating

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