PPSC Physics Topic 8 Scientists, Their Inventions and discoveries

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PPSC Physics Topic 8 Scientists, Their Inventions and discoveries

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PPSC Physics Topic 8 Scientists, Their Inventions and discoveries

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Question # 1

Neil Bohr made his three postulates in.

Question # 2

The first book of physics was written by

Question # 3

The first successful quantitative theory of atomic structure was formulate by

Question # 4

The discovery of interference of light was made possible in.

Question # 5

Which of the following scientists is known for his exceptional work in the field of optics.

Question # 6

Davision and Germer got Nobel prize for their work on

Question # 7

Who introduced the concept that an atom possesses quantized energy levels.

Question # 8

The phenomenon of natural radioactivity was discovered by

Question # 9

Who introduced the concept that an atom posses quantized energy levels.

Question # 10

Compton's effect was presented in.

Question # 11

Who developed hypothetical heat engine that has the maximum possible efficiency in 1824

Question # 12

Artificial radioactivity was discovered by

Question # 13

Faraday's law was deduced in

Question # 14

The special theory of relativity was presented by

Question # 15

The temperature scale based upon triple point of water was given by

Question # 16

Wave mechanics was introduced by

Question # 17

Who pointed out that both wave and particle aspects are required for the complete description of both radiation and matter.

Question # 18

Who studied the change in velocity with the help of geometry for the first time.

Question # 19

Polaroid's were invented in

Question # 20

Who originated the idea of heat death of the universe is 1852

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