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 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.	A. 2 mg B. 4 mg C. 8 mg D. 18 mg
2	The advantage of electron tube over a transistor is.	A. Its high efficiency B. Its high gain C. Low consumption of power D. Low input impedance
3	When transistor works as an amplifier, its output is.	A. More B. Less C. Zero D. Directly proportional to the input
4	The binding energy per nucleon for uranium is about.	A. 7.7 MeV B. 9.6 MeV C. 13.6 MeV D. 21.6 MeV
5	Which of the following is not a mode of radioactive decay.	A. Positron emission B. Electron capture C. Fusion reaction D. A decay
6	White light a tungsten filament lamp is passed through sodium vapor and viewed through a diffraction gritting Which of the following best describes the spectrum which would be seen.	A. Coloured lines on a black background B. Coloured lines on a white background C. Dark lines on a coloured background D. Dark lines on a white background
7	A logic circuit whose output signal is '1' when inputs are different is.	A. NAND gate B. NOR gate C. Exclusive OR gate D. Exclusive NOR gate
8	The energy in electron volts necessary to remove the most loosely bound electron from the neutral atom is known as.	A. Faraday energy B. Wave number C. Ionization Potential D. Excitation potential
9	The nucleus of tritium is called.	A. Proton B. Triton C. Deuleron D. Positron
10	The mass of proton is equal to.	A. 1.673 x 10^-27 kg B. 1.673 x 10²⁷ kg C. 9.1 x 10-31 kg D. 9.1 x 10³¹ kg

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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

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

The gama rays have

The half life of a given radioactive isotope is 10 years The original mass of the isotope is 12 g What mass of this isotope remains un decayed after 20 years.

The X-rays coming from a X-rays tube

The minimum amount of energy in an individual electron has to gain to escape from a particular surface is called.

The Rutherford atom according to classical theory is

A deuteron is

There are how many types of forces or interactions.

Which quantity remains fixed in isobars.

Nuclear force as compared to electrostatic force is.

During the alpha decay process

What are isotopes.

Magnetic field does not cause deflection in

Which of the following circuits is used as local oscillator in radio receivers.

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

Which BJT configurations used for signal inversion.

Radioactive substances do not emit

The decay process in which an unstable nucleus splits into two fragments of comparable mass is known as.

Which particles have spin quantum number 1/2

The converse of pair production is

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

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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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