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	At room temperature the potential difference between the two sides of depletion region for silicon is of the order of.	A. 0.3 v B. 0.5 V C. 0.7 V D. 0.9 V
2	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
3	The change in wavelength of an X-ray when scattered from an electron is called.	A. Compton shift B. Doppler shift C. Stefan's law D. Fraunhofer lines
4	The simple form of particle accelerator is.	A. Cathode ray tube B. Oscillator C. _Amplifier D. Phase locked loop
5	Which of the following propagates at the same speed as velocity of light.	A. Heat waves B. Sound waves C. Shock waves D. Beta particles
6	The path of Gama rays in Wilson cloud chamber is	A. Irregular B. Dense and straight C. Thin and continuous D. Thin and discontinuous
7	The SI unit of radioactivity is.	A. Becquerl B. Curie C. Joule D. rutherford
8	The value of open loop gain for the amplifier is	A. zero B. very low C. very high D. of an intermediate vaue
9	The resistance between(+) and (-) inputs of an amplifier is.	A. Zero B. Low C. High D. Infinity
10	A device used to determine mass of an isotope quite accurately is known as.	A. Spectrometer B. Mass spectrometer C. Mass detector D. Electronic balance

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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 force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.

When objects placed in a room are exposed to X- rays they appear

The result of the alpha particle scattering experiment gave evidence for which of the following.

Which of the following is not an electromagnetic wave.

Which of the following can be used as an arrester in a nuclear reactor.

Nuclear force as compared to electrostatic force is.

The half life of a radioactive substance depend on.

What is the scale for measurement of Banbridge mass spectrograph.

The phenomenon in which a photon of frequency 'f' is scattered by an electron and the scattered photon has frequency f <f is known as.

When Be is bombarded by alpha particles, then we obtain

The SI unit of absorbed dose in.

48 days after the receipt the amount of iodine -131 left behind is only.

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

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

In Compton's effect it was considered that X-rays consist of

The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.

If an object moves with velocity of light the apparent mass of the object as compared to list original mass is

Two electrons approach each other their relative velocity will be.

X-rays used for

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

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

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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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