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	If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.	A. cut of mode B. Amplification mode C. Saturation mode D. Inversion mode
2	The part of theory of relativity which deals with accelerated bodies is called.	A. special theory of relativity B. General theory of relativity C. Lorentz's theory of relativity D. Galilean theory of relativity
3	The electrons behave as wave because.	A. They can be diffracted by a crystal B. They can be defecting by magnetic field C. They can be deflecting by electric field D. they can produce ions in gases
4	Which one the following is not a component of a Bipolar junction Transistor	A. Base B. Emitter C. Collector D. Grid
5	The charge on a helium nucleus is equal to the charge of.	A. Two electrons B. Two protons C. Two neutrons D. One proton
6	Why transistor is preferred to triode valve for use as an amplifier.	A. Because it can handle large power B. Because it has higher input impedance C. Because it has higher voltage gain D. Because it has lower voltage gain
7	What is the effect of electric and magnetic fields on X-rays	A. X-rays are deflected B. X-rays are not deflected C. X-rays are sometimes deflected and sometimes not D. Nothing can be said
8	X-ray are	A. Streams of negatively charted particles. B. Electromagnetic wave C. Streams of positively charged particles D. Visible light
9	When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.	A. Photons B. Holes C. Quants D. Photo electrons
10	In a resistor, when base width decreases with increasing Vbc, this phenomenon is called.	A. Tunneling B. Thermal runway C. Pinch off D. Early effect

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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

An operational amplifiers will act as an inverting amplifier when the input signal is connected to.

If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.

Bohr's atomic model assumes

Which given quantity remains the same in isotones.

The potential due to which an electron is lifted from gerund state to excited state is.

Induced fission result from the absorption of

Sub atomic particles which experience strong nuclear force are.

There are how many types of forces or interactions.

The emission of Beta particle from protonium -218 results in the formation of.

The most familiar example of radioactive dating is.

In which reaction two or more small light nuclei nuclei come together or fuse to form a large nucleus.

Which of the following is deflected by an electric field.

The maximum K.E of photo electrons depends upon

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

On which factor cut off wavelength of X-rays coming from a Coolidge tube depends upon.

The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.

Two electrons approach each other their relative velocity will be.

The change in wavelength of an X-ray when scattered from an electron is called.

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

The electrons behave as wave because.

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

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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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