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	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
2	When a posirtron is emitted it causes.	A. Mass number to increase by one B. mass number to decrease by one C. Atomic number to decrease by one D. Atomic number to increase by one
3	Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.	A. 1/4 B. 1/8 C. 1/16 D. 1/32
4	A body moves with velocity of 2 x 10⁶ m s-1 its relativistic mass becomes	A. Zero B. Unity C. Double of its rest mass D. Infinity
5	An operational amplifiers will act as an inverting amplifier when the input signal is connected to.	A. Inverting terminal B. Non inverting terminal C. Earthened wire D. Both a and b
6	In heavy atims the electrons are assumed to be arranged in.	A. Elliptical shells B. Inner shells C. Concentric shells D. Outer shells
7	The most abundant isotope of neon is.	A. Neon -20 B. Neon -21 C. Neon -22 D. Both a and c
8	In a photocell, certain metals emit electrons for	A. Visible light B. X-rays C. Infrared light D. Ultraviolet light
9	X-ray are	A. Streams of negatively charted particles. B. Electromagnetic wave C. Streams of positively charged particles D. Visible light
10	X-rays are also used for	A. Ultrasound imaging B. endoscopy C. Computerized tomography scanning D. Magnetic resonance imaging scanning

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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

Both xenon and cesium each have

The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.

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

Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.

Particle which can be added to the nucleus of an atom with changing its chemical properties are called.

The unit of Rydberg constant R is

Beta decay may occur by

One particle having zero mass and zero charge is.

Nuclear force exists between

The wavelength of Lyman series for hydrogen spectrum lies in the.

Which of the following causes the deflection of Alpha particles when they re passed through a thin foil.

Which of the following properties is not exhibited by X-rays.

Which experiment confirmed the de Broglie hypothesis.

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

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

In order to reduce uncertainty in momentum one must use light of.

Which particle is removed by a photon.

The chain reaction is controlled by a series of rods usually made of.

The half life of a radioactive substance depend on.

There are how many types of forces or interactions.

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 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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