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	If we use two diodes and a centre tapped transformer we eill get	A. Transistor B. Amplifier C. Half wave rectifier D. Full wave rectifier
2	The band width of an audio amplifier is.	A. 10 Hz to 10 kHz B. 20 Hz to 54 Hz C. 20 Hz to 20 kHz D. 20 Hz to 60 kHz
3	What is the effect of electric and magnetic fields on X-rays	A. X-rays are deflected B. X-rays are not deflected C. X-rays are sometimes deflected and sometimes not D. Nothing can be said
4	Transistor stands for	A. Transfer of resistance B. Transfer of current C. Transfer of power D. Transfer of voltage
5	The most readily fissionable isotope of uranium has atomic mass of	A. 234 B. 235 C. 236 D. 238
6	Which particle are not emitted by a radioactive substance.	A. Alpha particles B. Beta particles C. Gama particles D. Neutrons
7	When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.	A. Photons B. Holes C. Quants D. Photo electrons
8	The Inner electrons in heavy atoms can be disturbed and dislodged by.	A. X rays B. Alpha particle C. Beta particles D. gama particles
9	X-rays are not used in RADARs because	A. They are not reflected by the target B. they are not completely absorbed by air C. They damage the target D. They are reflected by the target
10	Work function is generally expressed in.	A. Electron volt B. Joules C. Newtons D. Gauss

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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 maximum K.E. with which photoelectrons are emitted depends very strongly on the.

Which animal did Erwin Schrodinger contemplate using in his famous thought experiment.

From which radiation it is most difficult to protect oneslelf.

The change in wavelength of an X-ray when scattered from an electron is called.

Transistor stands for

The half life of a radioactive substance as compared to its mean lif eis.

In a cloud chamber the Alpha particles leave

The unit generally used for measuring astronomical distances is.

Induced fission result from the absorption of

Which term given below refers to the concept moving clocks run slower than clocks at rest w.r.t an observer.

The binding energy to pull the deuterium H apart into a proton and a neutron is equal to.

The energy in an electromagnetic wave is carried in the units called.

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

Cobalt -60 is a radioactive element with half life of 5.25 years. What fraction of the original sample will be left after 26 years.

When of the following radiations are not emitted by electron transitions in atoms.

If the base emitter junction is forward biased and base collector junction is reverse biased the BJT is in.

Most widely used types of gas LASER are

What is the scale for measurement of Banbridge mass spectrograph.

When light of particular frequency is allowed to fall upon a metal surface electrons are emitted from a these emitted electrons are called.

When a posirtron is emitted it causes.

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

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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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