PPSC Physics Topic 7 Modern Physics

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  • Chapter NameSection G: Modern Physics

PPSC Physics Topic 7 Modern Physics

  • Total Questions20

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PPSC Physics Topic 7 Modern Physics

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Question # 1

The phenomenon of Compton's effect process that right has

Question # 2

An active component of an electronic circuit consisting of a small block of semiconducting material to which at least three electrical contacts are made is known as.

Question # 3

Magnetic field does not cause deflection in

Question # 4

Which of the following detectors can count fast and operate at low voltage.

Question # 5

Which one the following is not a component of a Bipolar junction Transistor

Question # 6

The process of pair production will take place if the energy of photon is greater than

Question # 7

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

Question # 8

Transistor stands for

Question # 9

Which given quantity remains the same in isotones.

Question # 10

In fission reaction, heavy water is used as a

Question # 11

Transistors with various combinations are widely used as switches in.

Question # 12

The Compton effect in X-rays proves that

Question # 13

Though the wavelength of X-rays is smaller than that of visible light yet the speed of X-rays in vacuum is.

Question # 14

The absorption of X-rays in a given material follows.

Question # 15

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

Question # 16

The part of theory of relativity which deals with accelerated bodies is called.

Question # 17

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

Question # 18

An AND gate is.

Question # 19

The path of electron in Rutherford atomic model according to classical theory a.

Question # 20

In electromagnetic spectrum X-rays are next to.

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