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

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PPSC Physics Topic 7 Modern Physics

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Question # 1

At high temperature a body generally emits redactions of.

Question # 2

The process by which nuclei emit a ,b and gama rays in order to attain stability is called.

Question # 3

The SI unit of equivalent dose is

Question # 4

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

Question # 5

Why transistor is preferred to triode valve for use as an amplifier.

Question # 6

The usefulness of X rays is largely due to their

Question # 7

When transistor works as an amplifier, its output is.

Question # 8

Which of the following configuration of BJTs gives both voltage gain and current gain.

Question # 9

A gama ray of energy 1900 MeV is absorbed by

Question # 10

Ebers-Moll model describes the working of a

Question # 11

Which uranium isotope having the atomic weights as given below is easily fissionable.

Question # 12

If we use two diodes and a centre tapped transformer we eill get

Question # 13

Which Isotopes is use din radioactive dating.

Question # 14

The result of the alpha particle scattering experiment gave evidence for which of the following.

Question # 15

Which BJT configurations used for signal inversion.

Question # 16

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

Question # 17

Which of the following is not an electromagnetic wave.

Question # 18

x-rays cannot produce

Question # 19

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

Question # 20

The maximum energy of emitted photoelectron is measured by

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Which of the following describes that the time interval between two events may be different in different of references
A. Simullaneously
B. Time dilation
C. Length contraction
D. Mass variation
2 Most widely used types of gas LASER are
A. Neon
B. Argon ion
C. Helium
D. All of these
3 A single quantum of electromagnetic radiation is termed as.
A. Compton
B. Photon
C. Hyperon
D. Meson
4 The helium nucleus does not contain
A. Two electrons
B. Two neutrons
C. Two protons
D. Six nucleons
5 The scientific theory concerning the coming into existence of universe.
A. Cosmology
B. Cosmogony
C. Cosmography
D. Cosmos
6 Which one of the following gates in a a universal gate.
A. OR
B. AND
C. NOT
D. NAND
7 Marie Curie and Pierre Curie discovered two new radioactive elements which are.
A. Uranium and radkum
B. Platinum and radium
C. Polonium and radium
D. Crypton and radon
8 The Rutherford atom according to classical theory is
A. Stable
B. Unstable
C. Partially stable
D. Quantized
9 X-rays are also used for
A. Ultrasound imaging
B. endoscopy
C. Computerized tomography scanning
D. Magnetic resonance imaging scanning
10 The half life of radium -226 is
A. 1620 years
B. 45 x 109 years
C. 3.8 days
D. 23.5 minutes

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