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ECAT Physics Chapter 19 Dawn of Modern Physics
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 19 Dawn of Modern Physics
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Question # 1
The analysis of the distribution of wavelengths of the radiation emitted from a hot body set the foundation of new mechanics, known as
Question # 2
A black body is
Question # 3
The stopping voltage for a certain metal is 100 volts, then the work function for the cathode plate is
Question # 4
When a high energy photon interact with a metal, which of the following effect is most likely to be taken place
Question # 5
When monochromatic light is allowed to fall on cathode, it begins to emit electrons, these electrons are called
Question # 6
According to Einstein, with the great increase in the speed of the body the relativistic length of the body
Question # 7
The existence of position was predicted by Dirace in
Question # 8
According to the electromagnetic wave theory of light, increasing the intensity of incident light should increase the
Question # 9
Victor de-Brogile received the Nobel prize in physics in
Question # 10
The energy of the 4th orbit in hydrogen atom is
Question # 11
If the radius of first orbit of hydrogen atom is 0.53° A the radius of second orbit will be
Question # 12
A high temperature, the proportion of shorter wavelengths radiation, emitted by the body
Question # 13
Compton shift refers to:
Question # 14
When a platinum wire is heated, it appears yellow at
Question # 15
According to Einstein, with the great increase in the speed of the body, the relativistic mass of the body
Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice
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Biology Chapter 1 - Answers Mode
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.