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

  • Time Allowed20

PPSC Physics Topic 7 Modern Physics

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Question # 1

In CE amplifier phased reversal occurs when the output voltage is taken between

Question # 2

Lines of Balmer series are emitted by hydrogen atom when the electron jumps from

Question # 3

Which of the following is believed to be carrier o nuclear forces.

Question # 4

The binding energy per nucleon for uranium is about.

Question # 5

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

Question # 6

An Alpha particle is the same as

Question # 7

One rem is equal to.

Question # 8

A single quantum of electromagnetic radiation is termed as.

Question # 9

The SI unit of equivalent dose is

Question # 10

The value of open loop gain for the amplifier is

Question # 11

The mass of an helium nucleus is equal to.

Question # 12

Both xenon and cesium each have

Question # 13

The advantage of electron tube over semiconductor is.

Question # 14

Which configuration is used to connect high impedance source to a low impedance lead.

Question # 15

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

Question # 16

Which of the following is not a mode of radioactive decay

Question # 17

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

Question # 18

Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.

Question # 19

X-rays are not used in RADARs because

Question # 20

What is the quantitative description of the effect of radiation on the living tissue.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 The binary equivalent of 25 is
A. 111001
B. 11001
C. 1001
D. 10101
2 In heavy elements of the periodic table the number of neutrons than protons are.
A. Lesser
B. Greater
C. Equal
D. Undetermined
3 The SI unit of radioactivity is.
A. Becquerl
B. Curie
C. Joule
D. rutherford
4 A transistor can be used as
A. Oscillator
B. Amplifier
C. Switch
D. Both a and c
5 The Inner electrons in heavy atoms can be disturbed and dislodged by.
A. X rays
B. Alpha particle
C. Beta particles
D. gama particles
6 The charge on a helium nucleus is equal to the charge of.
A. Two electrons
B. Two protons
C. Two neutrons
D. One proton
7 Which of the following circuits is used as local oscillator in radio receivers.
A. AF oscillator
B. Phase Local Loop
C. RF oscillator
D. All of the above
8 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
9 If we use two diodes and a centre tapped transformer we eill get
A. Transistor
B. Amplifier
C. Half wave rectifier
D. Full wave rectifier
10 Which experiment is a demonstration that matter and energy can display properties of both waves and particles.
A. young's double slit experiment
B. Division germier experiment
C. Heisenberg's uncertainty experiment
D. Stern Gerlach experiment

Test Questions