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 hyperfine lines in the spectrum relates to	A. Stark effect B. Zeeman effect C. Lande's spliting D. Nuclear magnetic spin
2	Matter waves	A. Are electromagnetic in nature B. Travel with the speed of light C. Can be diffracted D. Are longitudinal waves
3	At high temperature a body generally emits redactions of.	A. Small wavelengths B. Long wavelengths C. Moderates wavelengths D. Zero wavelengths
4	Cosmic rays mostly comprise of	A. Neutral particles B. Negative charged particles C. Positively charged particles D. Ions
5	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.	A. 25 g B. 50 g C. 75 g D. 100 g
6	The X-rays coming from a X-rays tube	A. Is monochromatic B. Has all wavelengths smaller than a certain maximum wavelength C. Has all wavelengths greater than a certain maximum wavelength D. has all wavelengths minimum than a certain maximum wavelength
7	Which of the following detectors can count fast and operate at low voltage.	A. G.M Counter B. Cloud chamber C. Solid state detector D. Bubble chamber
8	The necessary condition for nuclear fusion is.	A. High temperature and high pressure. B. Low temperature and high pressure C. Low temperature and low pressure D. High temperature and low pressure.
9	The most suitable material for moderator in a nuclear reactor is.	A. B B. Cd C. D2O D. Uranium
10	Alpha particles are used for the treatment of skin of a patient due to.	A. Highly ionizing power B. Low penetration power C. Positively charged particles D. Helium nucler

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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 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 are electromagnetic waves.

In scattering experiment which force scatters alpha particle.

The transition of inner shell electrons in heavy atoms gives rise to the emission of.

In a photocell, certain metals emit electrons for

The force that bonds protons and neutrons together int he nucleus despite the electrical repulsion of the protons is called.

The band width of an audio amplifier is.

In heavy elements of the periodic table the number of neutrons than protons are.

In CE amplifier phased reversal occurs when the output voltage is taken between

An increase in frequency above threshold frequency results in.

The average energy released per fission of U is about

The relationship between mass number atomic number and neutron number is.

The value of principal quantum number for an ionized atom is.

When using the formula E = h lambda what unit should energy have.

Which experiment confirmed the de Broglie hypothesis.

Which of the following is invariant under Galilean transformation.

The back ground radiation in the atmosphere on the average is

In order to reduce uncertainty in momentum one must use light of.

Which of the following radiations will burn human skin

As oscillator is basically an amplifier with loop gain

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

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Set 12

Set 13

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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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