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 particles less in mass than protons are	A. Measons B. Bosons C. Baryons D. Nucleons
2	In heavy atims the electrons are assumed to be arranged in.	A. Elliptical shells B. Inner shells C. Concentric shells D. Outer shells
3	The 'x' in X-rays means	A. Xenon B. Explosion C. x for unknown D. X makes the spot
4	Neutrino9 is a particle with	A. Charge less property and has no spin B. Charge less property and has spin C. Charge less like electron and has spin D. The same property as neutron
5	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.	A. 20 minutes B. 40 minutes C. 80 minutes D. 120 minutes
6	Which circuit elements has two stable states and can be used to store information.	A. Flip flop or latch B. Logic gate C. Oscillator D. Amplifier
7	Which experiment confirmed the de Broglie hypothesis.	A. Double slit experiment B. Division germier experiment C. Schrodinger's Cat experment D. Bohr's experiment
8	Atomic reactor is based on	A. Controlled chain reaction B. Uncontrolledly chain reaction C. Nuclear fission D. Nuclear fusion
9	Which of the following circuits is used as local oscillator in radio receivers.	A. AF oscillator B. Phase Local Loop C. RF oscillator D. All of the above
10	White light a tungsten filament lamp is passed through sodium vapor and viewed through a diffraction gritting Which of the following best describes the spectrum which would be seen.	A. Coloured lines on a black background B. Coloured lines on a white background C. Dark lines on a coloured background D. Dark lines on a white background

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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

In the experiment of photo electric effect the minimum frequency of photons at which electrons are emitted from a metal surface is called.

X-rays are absorbed maximum by

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

What is the basic advantage of class A operation of an amplifier.

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

The splitting of atomic energy levels and the associated spectrum lines when the atoms are placed in a magnetic field is called.

Which of the following is deflected by an electric field.

Which circuit elements has two stable states and can be used to store information.

The radius of second orbit of hydrogen atom is

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

An operational amplifiers will act as an inverting amplifier when the input signal is connected to.

Alpha particles are

X-rays travel with

A gama ray of energy 1900 MeV is absorbed by

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

LED is a p-n junction that emits

The Compton effect in X-rays proves that

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

In annitilation of matter, positron and electron pair disappears into two

Which particle are not emitted by a radioactive substance.

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

Set 10

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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