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.

MCQ's Test For PPSC Physics Topic 7 Modern Physics

Try The MCQ's Test For PPSC Physics Topic 7 Modern Physics

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PPSC Physics Topic 7 Modern Physics

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Question # 1

X-rays are good for imagining

Question # 2

As the mass number increases, the binding energy per nucleon in a nucleus

Question # 3

In the Geiger Marsden experiment a narrow beam of alpha particles was fired at a thin piece of Gold foil in a vacuum Some of the particles were scattered though large angles The result of the experiment provided evidence for the existence of.

Question # 4

Beta decay may occur by

Question # 5

Matter waves

Question # 6

Lissajou's figures are used in a Cathode Ray Oscilloscope while measuring.

Question # 7

The Inner electrons in heavy atoms can be disturbed and dislodged by.

Question # 8

What is the quantitative description of the effect of radiation on the living tissue.

Question # 9

The energy delivered to the tissue per unit mass is called the absorbed dose of.

Question # 10

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

Question # 11

According to Max. Planck, energy is released or absorbed in discrete packets called.

Question # 12

An example of continuous spectrum is.

Question # 13

The energy that must be added to separate the nucleus is called.

Question # 14

In scattering experiment which force scatters alpha particle.

Question # 15

The neutral atoms of all isotopes of the same element contain the same numbers of.

Question # 16

Alpha particles are used for the treatment of skin of a patient due to.

Question # 17

The binary equivalent of 25 is

Question # 18

Which one of the following is a neutron absorber

Question # 19

The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.

Question # 20

The two elements with same number of electrons but different mass number are called.

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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 One particle having zero mass and zero charge is.
A. Positron
B. Electron
C. Neutrino
D. Neutron
3 A photon is chasing an electron, whose speed is 0.9 c What is their relative speed.
A. 0.1 C
B. C
C. 0.8 C
D. 0.9 C
4 The input resistance of a JFET is of the order of.
A. 1 M Mega
B. 10 M Mega
C. 100 M Mega
D. 1,000 M Mega
5 At what speed the mass of a body will be doubled.
A. 0.67 C
B. 0.77 C
C. 0.87 C
D. 0.97 C
6 In Compton's effect the change in wavelength of a scattered photon is called.
A. Angle of emergence
B. Angle of refraction
C. Angle of deviation
D. Compton shift
7 the alpha particle does not travel for enough in air.
A. Due to its intense ionization
B. Due to its large mass
C. Due to its high charge
D. Due to its Hight Ionization
8 The resistance between(+) and (-) inputs of an amplifier is.
A. Zero
B. Low
C. High
D. Infinity
9 The term used for the emission of electrons when light strikes a surface.
A. The zeeman effect
B. The photo electric effect
C. Skin effect
D. Compton effect
10 At high temperature a body generally emits redactions of.
A. Small wavelengths
B. Long wavelengths
C. Moderates wavelengths
D. Zero wavelengths

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