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	What is the scale for measurement of Banbridge mass spectrograph.	A. Linear B. Inverse C. Exponential D. Logarithmic
2	LASER is a device which can produce.	A. Monochromatic beam of light B. Coherent beam of light C. An intense beam of light D. All of the above
3	Which of the following configuration of BJTs gives both voltage gain and current gain.	A. common Base B. Common Emtter C. Common collector D. All of the above
4	In a photocell, certain metals emit electrons for	A. Visible light B. X-rays C. Infrared light D. Ultraviolet light
5	Neither the position nor the momentum of a particle can be predicted with arbitrarily great precision is the statement of.	A. Archimede's principle. B. Heisenberg uncertainty principle C. Mosley's law D. Schrodinger's wave equation
6	How positives feedback will effect an amplifier.	A. Increases the voltage gain B. Decreases the voltage gain C. Imitates oscillation to occur D. Damaged it
7	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
8	The process of pair production will take place if the energy of photon is greater than.	A. 0.21 MeV B. 0.51 MeV C. 1.51 MeV D. 1.21 MeV
9	Low frequency response of an amplifier is mainly limited by.	A. Biasing configuration B. Coupling capacitor C. By pass capacitor D. Input impedance
10	Which of the following phenomenon is observed in obtaining an X ray photograph of our hand.	A. Photoelectric effect B. Zeeman effect C. Shadow photography D. Ionization

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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

What is the overall gain, if three amplifiers each with a gain of 30 are cacaded.

Which one of the following is a neutron absorber

At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.

A unijunction transistor

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

An example of continuous spectrum is.

When Be is bombarded by alpha particles, then we obtain

Which of the following circuits is used as local oscillator in radio receivers.

The mass of proton is equal to.

Which type of amplifier causes minimum drain of power supply.

How much large is the proton mass than the electron mass.

The Rutherford atom according to classical theory is

The simple form of particle accelerator is.

The absorption of X-rays in a given material follows.

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

According to Max. Planck, energy is released or absorbed in discrete packets called.

Radioactive decay series can be represents on

An AND gate is.

Compton scattering experiment seemed to indicate that radiation had

The unit of Rydberg constant R is

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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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