ECAT Pre Engineering Physics Chapter 19 MCQ Test With Answer for Physics chapter 19 (Dawn of Modern Physicss)

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ECAT Pre Engineering Physics Ch 19 Test
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Online MCQ`s Test For Chapter 19 "Physics ECAT Pre Engineering Chapter 19 Dawn of Modern Physics Physics Online Test"

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Physics ECAT Pre Engineering Chapter 19 Dawn of Modern Physics Physics Online Test

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Question # 1

The Stephen-Boltzmann law for the black body radiation is given by

Question # 2

As the light shines on the metal surface, the electrons are ejected

Question # 3

The analysis of the distribution of wavelengths of the radiation emitted from a hot body set the foundation of new mechanics, known as

Question # 4

Which of the following phenomenon proves the particle nature of light

Question # 5

The inside cavity of the black body is

Question # 6

Davision and Germer performed experiment to verify

Question # 7

The mass of an object will be doubled at speed

Question # 8

The year when A.H. compton was awarded Nobel Prize is:

Question # 9

The mass 'm' of a body moving at 0.8 c (whose rest mass is mo) becomes

Question # 10

The special theory of relativity is based on:

Question # 11

Electromagnetic radiation or photons interact with matter in

Question # 12

The photon of radio-waves has energy of about

Question # 13

S.I. unit of planks constant is

Question # 14

In order to produce pair production, a photon must have a energy

Question # 15

Compton shift refers to:

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ECAT Pre Eng. Physics Ch 19 Test

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