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 rest mass of a particle is independent of the

Question # 2

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

Question # 3

A spectroscope sorts out

Question # 4

The ionization energy for hydrogen atom is

Question # 5

In a cloud chamber the Alpha particles leave

Question # 6

The tunnel effect makes possible

Question # 7

The back ground radiation in the atmosphere on the average is

Question # 8

An example of continuous spectrum is.

Question # 9

The scientific theory concerning the coming into existence of universe.

Question # 10

The part of theory of relativity which deals with accelerated bodies is called.

Question # 11

An operational amplifiers will act as an inverting amplifier when the input signal is connected to.

Question # 12

The strength of photo electric current depends upon.

Question # 13

As oscillator is basically an amplifier with loop gain

Question # 14

Push pull amplifiers employ

Question # 15

One becquerel is equal to

Question # 16

The mass of proton is equal to.

Question # 17

A darling ion amplifier is characterized by

Question # 18

During the alpha decay process

Question # 19

The resistance between(+) and (-) inputs of an amplifier is.

Question # 20

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

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The emission of electrons from a metal surface when exposed to light of suitable frequency is called.
A. Pair production
B. Compton effect
C. Photo electric effect
D. Zeeman effect
2 A logic circuit with one input and one output that inverts the input signal at the output is.
A. AND gate
B. NOT gate
C. OR gate
D. NOR gate
3 Alpha particles are
A. Helium nuclei
B. sodium nuclei
C. Ioized nuclei
D. Hydrogen nuclei
4 Which one the following is not a component of a Bipolar junction Transistor
A. Base
B. Emitter
C. Collector
D. Grid
5 the gain of an amplifier is independent of
A. The two externally connected resistances
B. What is happening inside the amplifier
C. Internal structure of the amplifier
D. All of the above
6 Radioactive decay series can be represents on
A. Smith chart
B. Segre chart
C. Logarithmic chart
D. Carbon paper
7 When using the formula E = h lambda what unit should energy have.
A. Joule
B. Watt second
C. Newton metre
D. Electron volt
8 Which one of the following spectra series is in the ultraviolet region.
A. Lyman series
B. Paschen series
C. Brackett series
D. Plund series
9 Which particle are not emitted by a radioactive substance.
A. Alpha particles
B. Beta particles
C. Gama particles
D. Neutrons
10 In scattering experiment which force scatters alpha particle.
A. Nuclear force
B. Coulomb's force
C. Gravitational force
D. Centripetal force

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