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	X-rays travel with	A. The speed of light B. The speed of sound C. The speed of 3,000 m s-1 D. The speed of 3,500 m s-1
2	Ebers-Moll model describes the working of a	A. BJT B. FET C. MOSFET D. UJT
3	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
4	Which type of radiation would be stopped completely by a thin piece of cardboard.	A. Alpha particles B. Beta particles C. Gama rays D. X -rays
5	The relationship between mass number atomic number and neutron number is.	A. A = Z + N B. A = Z - N C. Z = A + N D. N = Z - A
6	The half life of a radioactive substance depend on.	A. Pressure B. Temperature C. Amount of substance D. No external influences
7	The helium nucleus does not contain	A. Two electrons B. Two neutrons C. Two protons D. Six nucleons
8	What is the quantitative description of the effect of radiation on the living tissue.	A. Radiation dosimetry B. Radioactive dating C. Telemetry D. Dosage
9	Which particle is removed by a photon.	A. Quark B. Electron C. Proton D. Neutron
10	One radian is equal to.	A. 0.1 Gy B. 0.01 Gy C. 0.001 Gy D. 0.0001 gy

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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 emission of electrons from a metal surface when exposed to light of suitable frequency is called.

Which of the following is deflected by an electric field.

A factory buy 100 g of a radioactive chemical with a half life of 5 years which decays to a stable compound How much of the chemical will still be radioactive 10 years time.

In a Nuclear reactor which material is often used as modeerator.

The maximum energy of emitted photoelectron is measured by

Which one of the following has the largest wavelength.

Mosley's law establishes the X-rays fluorescence of target element with is.

The reciprocal of decay constant lamda of a radioactive element is.

The Beta particles move along.

X-rays are good for imagining

The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.

There are how many modes of operations of a BJT.

Which both elements are good for nuclear fission.

In a transistor which one is very thin.

The bunding energy per nucleon for iron is.

Alpha particles are

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

What is the energy equivalent to amu in Me V

As oscillator is basically an amplifier with loop gain

Which BJT configurations used for signal inversion.

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

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Set 7

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Set 9

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Set 11

Set 12

Set 13

Set 14

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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