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Dawn of Modern Physics MCQs with Answers

Welcome to the Dawn of Modern Physics MCQs with Answers. In this post, we have shared Dawn of Modern Physics Online Test for different competitive exams. Find practice Dawn of Modern Physics Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Dawn of Modern Physics.

Dawn of Modern Physics Online Quiz

By presenting 3 options to choose from, Dawn of Modern Physics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Dawn of Modern Physics Questions and Answers and click over the correct answer.

  • Test Name: Dawn of Modern Physics MCQ Quiz Practice
  • Type: Quiz Test
  • Total Questions: 40
  • Total Marks: 40
  • Time: 40 minutes

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Dawn of Modern Physics MCQs

Dawn of Modern Physics

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1 / 40

What is the term for the process where a substance absorbs light energy and re-emits it as visible light?

2 / 40

What is the term for the process where an electron jumps from a higher energy level to a lower one, emitting a photon?

3 / 40

Who proposed the Bohr model of the atom in 1913?

4 / 40

Who discovered the quantization of electric charge in 1909?

5 / 40

Who discovered the wave nature of matter in 1927?

6 / 40

What is the phenomenon where charged particles are deflected by a magnetic field, allowing their mass-to-charge ratio to be determined?

7 / 40

What is the phenomenon where light is scattered by charged particles?

8 / 40

Who discovered the quantization of energy levels in atoms in 1913?

9 / 40

Who proposed the concept of quantized energy levels in blackbody radiation in 1900?

10 / 40

Who proposed the concept of quantized energy levels for electrons in atoms in 1913?

11 / 40

Who discovered the photoelectric effect?

12 / 40

What is the smallest unit of light called?

13 / 40

What is the unit of energy equivalent to one electron volt?

14 / 40

Who discovered the quantization of light energy in 1900?

15 / 40

Who proposed the concept of wave-particle duality of light in 1924?

16 / 40

What is the phenomenon where electrons are emitted from a material when light of certain frequencies shines on it?

17 / 40

Who discovered the nucleus of the atom in 1911?

18 / 40

Who developed the mathematical formalism of quantum mechanics in 1925?

19 / 40

What is the term for the quantized units of electromagnetic radiation?

20 / 40

What is the term for the emission of light by atoms or molecules excited to higher energy levels?

21 / 40

Who developed the theory of special relativity in 1905?

22 / 40

Who developed the theory of general relativity in 1915?

23 / 40

What is the term for the study of atomic and molecular interactions with electromagnetic radiation?

24 / 40

Who proposed the concept of quantized orbits for electrons in atoms in 1913?

25 / 40

Who developed the mathematical formulation of special relativity in 1905?

26 / 40

What is the principle that matter and energy are interchangeable, represented by the equation E=mc^2?

27 / 40

What is the term for the phenomenon where a moving source of waves changes the observed frequency of the waves?

28 / 40

What is the term for the emission of light by a substance after it has been excited by external energy?

29 / 40

What is the term for the phenomenon where light behaves as both a wave and a particle?

30 / 40

Who formulated the theory of relativity in 1905?

31 / 40

Who discovered X-rays in 1895?

32 / 40

What is the term for the effect where the wavelength of X-rays changes when scattered by electrons?

33 / 40

Who introduced the concept of quantization of energy in 1900?

34 / 40

What is the name of the equation that describes the behavior of matter and energy on the atomic scale?

35 / 40

Who discovered the quantization of angular momentum in 1925?

36 / 40

Who discovered the concept of wave-particle duality in 1905?

37 / 40

What is the process of measuring both the position and momentum of a particle simultaneously to a high degree of precision impossible?

38 / 40

Who developed the uncertainty principle in 1927?

39 / 40

What is the term for the minimum amount of energy that can be gained or lost by an atom?

40 / 40

What is the study of the behavior of matter and light on the atomic and subatomic scale called?

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