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	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
2	Which one of the following gates in a a universal gate.	A. OR B. AND C. NOT D. NAND
3	Which experiment confirmed the de Broglie hypothesis.	A. Double slit experiment B. Division germier experiment C. Schrodinger's Cat experment D. Bohr's experiment
4	In scattering experiment which force scatters alpha particle.	A. Nuclear force B. Coulomb's force C. Gravitational force D. Centripetal force
5	When using the formula E = h lambda what unit should energy have.	A. Joule B. Watt second C. Newton metre D. Electron volt
6	Which of the following is not a mode of radioactive decay.	A. Positron emission B. Electron capture C. Fusion reaction D. A decay
7	Current gain of a CE amplifier is 50, ITS hfe is about	A. 25 B. 50 C. 75 D. 100
8	At high temperature a body generally emits redactions of.	A. Small wavelengths B. Long wavelengths C. Moderates wavelengths D. Zero wavelengths
9	Which of the following quantities is discrete according to Bohr's hypothesis.	A. Momentum B. Potential energy C. Angular velocity D. Angular momentum
10	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

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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

Which one among these contacts in a transistor is non rectifying.

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

There are how many modes of operations of a BJT.

Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.

Magnetic field does not cause deflection in

Which of the following is not an electromagnetic wave.

The half life of a radioactive element depends upon.

The SI unit of current gain is.

A logic circuit with one input and one output that inverts the input signal at the output is.

Which of the following atom pair have the same structure.

Positron are produced during.

x-rays cannot produce

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

Half life of a radioactive elements 10 minutes If the initial cont. rate is 368 counts per minute for what time count rate reaches 32 counts per minute.

In potential for the material of cathode pure metals are rarely used because of their

The neutral atoms of all isotopes of the same element contain the same numbers of.

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

At high temperature a body generally emits redactions of.

Specially designed solid state detector can be used to detect.

A solid state detector is basically

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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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