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

Hydrogen bomb is based on

Question # 2

Which experiment confirmed the de Broglie hypothesis.

Question # 3

The ionization energy for hydrogen atom is

Question # 4

An operational amplifier have how many input terminals.

Question # 5

Which particle interact via all fundamental forces.

Question # 6

A perfect back body

Question # 7

the alpha particle does not travel for enough in air.

Question # 8

The SI unit of decay constant is.

Question # 9

If an object moves with velocity of light the apparent mass of the object as compared to list original mass is

Question # 10

The photons emitted in inner shell transition are.

Question # 11

Alpha particles emitted from a radioactive material are.

Question # 12

How many terminals does a BJT have.

Question # 13

The total energy of an electron in an orbit around the nucleus is.

Question # 14

Mosley's law establishes the X-rays fluorescence of target element with is.

Question # 15

When an object moves with a very high speed the length in the direction of motion.

Question # 16

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

Question # 17

Which of the following has the highest relative biological effectiveness or the quality factor.

Question # 18

In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.

Question # 19

The binary equivalent of 25 is

Question # 20

Which is the famous standard model of the universe.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Mosley's law establishes the x rays fluorescence's of target element with its.
A. Atomic weight
B. Atomic number
C. Density
D. Lattice constant
2 The critical mass of a fissionable material is.
A. 1 kg
B. 10 kg
C. 100 kg
D. 1.,000 kg
3 As the mass number varies, which of the quantities does not change w.r.t nucleus.
A. Mass
B. Volume
C. Binding energy
D. Density
4 The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.
A. 1.22 MeV
B. 2.22 MeV
C. 3.22 Mev
D. 4.22 MeV
5 A transistor consists of.
A. One p-n junction
B. Two p-n junctions
C. Three p-n junctions
D. Four p-n junction
6 Which given element has lowest work function
A. Na
B. Al
C. si
D. C
7 A CE amplifier with by passed emitter resistor is an example of.
A. Current series feedback
B. Voltage sires feed back
C. Current shunt feedback
D. Voltage shunt feed back
8 The possible values of principal quantum number are.
A. only zero
B. 0,1,2,...................7
C. 1,2,3........................8
D. 2,3,4,6...............10
9 X-rays are also used for
A. Ultrasound imaging
B. endoscopy
C. Computerized tomography scanning
D. Magnetic resonance imaging scanning
10 The resistance between(+) and (-) inputs of an amplifier is.
A. Zero
B. Low
C. High
D. Infinity

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