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

00:00
Question # 1

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

Question # 2

Work function is generally expressed in.

Question # 3

Emitter follower amplifier is an example of.

Question # 4

Which one of the following spectra series is in the ultraviolet region.

Question # 5

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

Question # 6

The energy that must be added to separate the nucleus is called.

Question # 7

Which one of the following gates in a a universal gate.

Question # 8

A solid state detector is basically

Question # 9

Which of the following describes that the time interval between two events may be different in different of references

Question # 10

How positives feedback will effect an amplifier.

Question # 11

When a helium atom loses an electron it becomes.

Question # 12

The energy delivered to the tissue per unit mass is called the absorbed dose of.

Question # 13

Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.

Question # 14

Nuclear force exists between

Question # 15

Neutrino9 is a particle with

Question # 16

As the mass number increases, the binding energy per nucleon in a nucleus

Question # 17

An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.

Question # 18

Usually in an operational amplifier the inputs used are of

Question # 19

Which both elements are good for nuclear fission.

Question # 20

The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The resistance between(+) and (-) inputs of an amplifier is.
A. Zero
B. Low
C. High
D. Infinity
2 Which of the following detectors can count fast and operate at low voltage.
A. G.M Counter
B. Cloud chamber
C. Solid state detector
D. Bubble chamber
3 The neutral atoms of all isotopes of the same element contain the same numbers of.
A. Electrons and protons
B. Electrons and neutrons
C. Neutrons
D. Neutrons and protons
4 The 'x' in X-rays means
A. Xenon
B. Explosion
C. x for unknown
D. X makes the spot
5 At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.
A. 0.3 v
B. 0.5 V
C. 0.7 V
D. 0.9 V
6 the wavelength of continuous X-rays is inversely proportional to.
A. Intensity of incident electron beam
B. Temperature of the target
C. Intensity of X-rays
D. The energy of electrons striking the target
7 Isotopes are the atoms of the same elements which contain equal number of.
A. Nucleus
B. Neutrons
C. Protons
D. Electrons
8 Alpha particles are
A. Helium nuclei
B. sodium nuclei
C. Ioized nuclei
D. Hydrogen nuclei
9 The change in wavelength of an X-ray when scattered from an electron is called.
A. Compton shift
B. Doppler shift
C. Stefan's law
D. Fraunhofer lines
10 In n-p-n transistor the current flows in the direction from
A. Emitter to base
B. emitter to collector
C. Base to emitter
D. Base to collector

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