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

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

Question # 2

Which experiment confirmed the de Broglie hypothesis.

Question # 3

A CE amplifier with by passed emitter resistor is an example of.

Question # 4

The reciprocal of decay constant lamda of a radioactive substances is equal to.

Question # 5

The decay to form other nuclides by emitting particles and electromagnetic radiations by unstable nuclides is called.

Question # 6

In heavy atims the electrons are assumed to be arranged in.

Question # 7

Critical mass is the minimum mass needed for

Question # 8

As oscillator is basically an amplifier with loop gain

Question # 9

A transistor can be used as

Question # 10

The half life of a radioactive element depends upon.

Question # 11

When we pass a radiation from a radioactive material through an electric field.

Question # 12

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

Question # 13

Which of the following are particle accelerators.

Question # 14

Transistor stands for

Question # 15

What do we study by crystallography.

Question # 16

Low frequency response of an amplifier is mainly limited by.

Question # 17

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

Question # 18

Which BJT configurations used for signal inversion.

Question # 19

The critical mass of a fission reaction is.

Question # 20

A transistor consists of.

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PPSC Physics Chapter 7 Important MCQ's

Sr.# Question Answer
1 Base current of a transistor is 1 mA and collector current is 99 mA What is emitter current.
A. 1 mA
B. 100 mA
C. 98 mA
D. 110 mA
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 Critical mass is the minimum mass needed for
A. Fusion
B. H-Bomb
C. Chain reaction
D. Binding energy
4 In n-p-n transistor the current flows in the direction from
A. Emitter to base
B. emitter to collector
C. Base to emitter
D. Base to collector
5 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
6 One radian is equal to.
A. 0.1 Gy
B. 0.01 Gy
C. 0.001 Gy
D. 0.0001 gy
7 Compton scattering experiment seemed to indicate that radiation had
A. Wave nature
B. Particle nature
C. Wave particle nature
D. X-rays nature
8 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
9 Why hydrogen atom does not emit x-rays.
A. its size is very small
B. It contains only single electron
C. In it energy levels are for apart
D. In it energy levels are close to each other
10 In potential for the material of cathode pure metals are rarely used because of their
A. Low reflecting power
B. High reflecting power
C. Low resolving power
D. High resolving power

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