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.

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PPSC Physics Chapter 7 Important MCQ's

Sr.#	Question	Answer
1	Which one of the following has maximum frequency.	A. Visible light B. Gama rays C. Ultraviolet rays D. Infrared rays
2	A transistor consists of.	A. One p-n junction B. Two p-n junctions C. Three p-n junctions D. Four p-n junction
3	One radian is equal to.	A. 0.1 Gy B. 0.01 Gy C. 0.001 Gy D. 0.0001 gy
4	Which of the following is required for maintaining sustained chain reaction.	A. Neutrons B. Protons C. Electrons D. Photons
5	The value of open loop gain for the amplifier is	A. zero B. very low C. very high D. of an intermediate vaue
6	White light a tungsten filament lamp is passed through sodium vapor and viewed through a diffraction gritting Which of the following best describes the spectrum which would be seen.	A. Coloured lines on a black background B. Coloured lines on a white background C. Dark lines on a coloured background D. Dark lines on a white background
7	What is the basic advantage of class A operation of an amplifier.	A. It has high efficiency B. It has high gain C. It has low distortion D. It has high distortion
8	An example of continuous spectrum is.	A. Black body radiation spectrum B. Molecular spectra C. Atomic spectra D. All of the above
9	When a beta particle travels though a medium it knocks out electrons from the atoms due to.	A. Gravitational force of attraction B. Electrostatic force of repulsion C. Nuclear force D. Electromagnetic induction
10	Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.	A. Attraction of nucleus B. Collision with nuclei C. Interactions with electrons D. Electrostatic repulsion by the nucleus

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PPSC Physics Topic 7 MCQ Test With Answer

MCQ's Test For PPSC Physics Topic 7 Modern Physics

PPSC Physics Topic 7 Modern Physics

The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.

If an object moves with velocity of light the apparent length of the object moving the direction of motion becomes.

Specially designed solid state detector can be used to detect.

Beta decay may occur by

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

In which of the following studies x-rays are not helpful.

When a beta particle travels though a medium it knocks out electrons from the atoms due to.

When we pass a radiation from a radioactive material through an electric field.

The capture of neutron by a proton results in the formation of.

x-rays cannot produce

The particles equal in mass or greater than protons are called.

Which one among these contacts in a transistor is non rectifying.

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

The Rutherford atom according to classical theory is

As the mass number varies, which of the quantities does not change w.r.t nucleus.

What is the effect of electric and magnetic fields on X-rays

The bunding energy per nucleon for iron is.

Why FET amplifiers are called voltage controlled devices.

What will be excitation energy in the third orbit of hydrogen atom.

The angle of scattering for which the Compton shift is maximum is.

Prepare Complete Set Wise PPSC Physics Topic 7 Modern Physics MCQs Online With Answers

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Set 7

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Set 9

Set 10

Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

Set 18

Set 19

Set 20

Set 21

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PPSC Physics Chapter 7 Important MCQ's

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