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	There are how many types of forces or interactions.	A. Two B. Three C. Four D. Five
2	Transistors with various combinations are widely used as switches in.	A. electric generators B. Rectificers C. Amplifiers D. Computers
3	The process of conversation of a photon into an electron and a position is called.	A. Pair annihilations B. Pair production C. Photoelectric effect D. Compton effect
4	In CC configuration voltage gain is.	A. Less than one B. More than one C. One D. Zero
5	The unit Planck's constant is equivalent to that of.	A. Energy B. Force C. Velocity D. Angular momentum
6	Why is a capacitor resistor combination used in oscillators in grid circuit.	A. To generate oscillation B. To bias the grid automatically C. To amplify oscillations D. To sustain the oscillations.
7	The critical mass of a fission reaction is.	A. The mass to start a nuclear fission reaction B. The minimum mass for chain reaction C. The size of the reactor core D. The size of fuel plus the size of moderator
8	Why FET amplifiers are called voltage controlled devices.	A. Input is a current signal B. Output is a current signal C. Input is a voltage signal D. Output is a voltage signal
9	The absorption of X-rays in a given material follows.	A. A parabola path B. Is straight line C. An exponential curve D. A circle
10	A slow neutron can cause fission in	A. Uranium -238 B. Uranium-235 C. Hydrogen-1 D. Thorium -232

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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 process of pair production will take place if the energy of photon is greater than

The band width of an audio amplifier is.

Ionization of a hydrogen atom originally in its ground state takes a minimum out of energy equal to.

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

A solid state detector is basically

The charge on a helium nucleus is equal to the charge of.

the alpha particle does not travel for enough in air.

Which one of the following has the largest wavelength.

Induced fission result from the absorption of

A logic circuit whose output signal is '1' when inputs are different is.

Lines of Balmer series are emitted by hydrogen atom when the electron jumps from

In an electronic transition atom cannot emit

The half life of isotopes X is four days and its initial mass is 32 mg What mass of the isotope X will remain after twelve days.

Which of the following is not a mode of radioactive decay.

Usually in an operational amplifier the inputs used are of

Which quantity remains fixed in isobars.

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

Which of the following is not an electromagnetic wave.

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

When an object moves with a very high speed the length in the direction of motion.

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

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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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