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

An example of continuous spectrum is.

Question # 2

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

Question # 3

the gain of an amplifier is independent of

Question # 4

One becquerel is equal to

Question # 5

A solid state detector is basically

Question # 6

The wavelength of Lyman series for hydrogen spectrum lies in the.

Question # 7

Which of the following is formed by decay of a free neurton.

Question # 8

Radioactivity is the phenomenon associated with the.

Question # 9

The most familiar example of radioactive dating is.

Question # 10

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

Question # 11

The unit of Rydberg constant R is

Question # 12

In the fusion process, there are

Question # 13

The best shield against Gama rays would be of

Question # 14

The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.

Question # 15

In a transistor which one is very thin.

Question # 16

The mass of proton is equal to.

Question # 17

The converse of pair production is

Question # 18

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

Question # 19

The scientific theory concerning the coming into existence of universe.

Question # 20

There are how many modes of operations of a BJT.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 In a cloud chamber the Alpha particles leave
A. Dense, straight and continuous tracks
B. Only straight and continuous tracks
C. Thin and discontinuous tracks
D. Irregular tracks
2 The converse of pair production is
A. Annihilation of matter
B. Materialization
C. Compton effect
D. Photo electric effect
3 The process by which nuclei emit a ,b and gama rays in order to attain stability is called.
A. Radioactive disintegration
B. Radio activity
C. B decay
D. Radioactive transmulation
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 Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.
A. Simultaneously
B. Mass variation
C. time dilation
D. Length contraction
6 Magnetic field does not cause deflection in
A. Alpha particle
B. Beta minus particles
C. Beta plus particles
D. Gama rays
7 The electrons behave as waves, because they can .
A. Produce ions in gases
B. Diffracted by a crystal
C. Be deflected by electric fields
D. Be deflected by magnetic fields
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 The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.
A. Zeeman's effect
B. Photoelectric effect
C. Compton's effect
D. Annihilation of matter
10 Sub atomic paticles whihc does not experience strong nuclear force are.
A. hadrons
B. Photons
C. Leptons
D. Nucleons

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