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	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
2	x-rays cannot produce	A. Photoelectron B. Compton electron C. Electron positron pair D. All of these
3	The phenomenon is which the wavelength of scattered X-rays is larger than the incident X-rays is known as.	A. Zeeman's effect B. Photoelectric effect C. Compton's effect D. Annihilation of matter
4	In Compton's effect it was considered that X-rays consist of	A. Electrons B. Holes C. Neutrons D. Protons
5	A logic circuit whose output signal is '1' when inputs are different is.	A. NAND gate B. NOR gate C. Exclusive OR gate D. Exclusive NOR gate
6	How many types of quarks were suggested i 1964 quark theory.	A. Two B. Three C. Four D. Five
7	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.	A. 0.5 g B. 1.2 g C. 3.0 g D. 6.0 g
8	Low frequency response of an amplifier is mainly limited by.	A. Biasing configuration B. Coupling capacitor C. By pass capacitor D. Input impedance
9	A freshly made sample of radioactive material gives a count rate of 8,000 counts per minute After twenty days it gives a count rate of 500 counts per minute What is the half life of the materials.	A. 5 days B. 10 days C. 40 days D. 20 days
10	As the mass number increases, the binding energy per nucleon in a nucleus	A. Increases B. Decreases C. Remain constant D. Varies in a way that depends upon A

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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 maximum K.E. with which photoelectrons are emitted depends very strongly on the.

Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.

The wavelength of X-rays is of the ofder of.

A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.

The division and germier experiment relates to

How many terminals does a BJT have.

As oscillator is basically an amplifier with loop gain

The electrons behave as waves, because they can .

Which of the following has greatest binding energy per nucleon.

The rest mass of a particle is independent of the

One gray is equal to.

The total energy of the hydrogen atom is

Radius of the Bother's orbit is r the radius of second orbit will be.

The particles less in mass than protons are

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

The exitance of more than one distinct state with the same energy is called.

A CE amplifier with by passed emitter resistor is an example of.

A single quantum of electromagnetic radiation is termed as.

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

Deuterium is

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Set 17

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Set 19

Set 20

Set 21

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PPSC Physics Chapter 7 Important MCQ's

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