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

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PPSC Physics Topic 7 Modern Physics

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Question # 1

The process by which nuclei emit a ,b and gama rays in order to attain stability is called.

Question # 2

A transistor can be used as

Question # 3

Mosley's law establishes the x rays fluorescence's of target element with its.

Question # 4

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

Question # 5

The mass of proton is equal to.

Question # 6

What is the energy equivalent to amu in Me V

Question # 7

Low frequency response of an amplifier is mainly limited by.

Question # 8

Photocells are used for

Question # 9

A perfect back body

Question # 10

Nuclear force exists between

Question # 11

The working of cloud chamber is based in the presence of.

Question # 12

The unit of Rydberg constant R is

Question # 13

If we use two diodes and a centre tapped transformer we eill get

Question # 14

Which one of the following has the largest wavelength.

Question # 15

One rem is equal to.

Question # 16

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

Question # 17

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

Question # 18

Matter waves

Question # 19

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

Question # 20

The mass of an alpha particle is.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 When using the formula E = h lambda what unit should energy have.
A. Joule
B. Watt second
C. Newton metre
D. Electron volt
2 The average energy released per fission of U is about
A. 200 eV
B. 2 keV
C. 2 MeV
D. 200 MeV
3 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
4 The particles less in mass than protons are
A. Measons
B. Bosons
C. Baryons
D. Nucleons
5 Which one of the following gates in a a universal gate.
A. OR
B. AND
C. NOT
D. NAND
6 Besides U 235 what else is needed for making as atomic bomb.
A. Electons
B. Protons
C. Neutrons
D. Photons
7 LASER beam my be measure very large distance because it is.
A. Inidirectional
B. coherent
C. Monochromatic
D. Not absorbed
8 In radiotherapy X-rays are used to.
A. Treat cancer
B. Delect bone fracture
C. Cure heart diseasee
D. All of the above
9 Tracer techniques make use of.
A. Neutron scattering
B. Electron beams
C. LASER
D. Radioactive isotopes
10 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

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