Atomic Spectra MCQs with Answers

adminJune 10, 2024

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

Atomic Spectra Online Quiz

By presenting 3 options to choose from, Atomic Spectra 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 Atomic Spectra Questions and Answers and click over the correct answer.

Test Name: Atomic Spectra MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Atomic Spectra

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1 / 40

What is the term for the emission of light by a substance after it has absorbed energy and re-emits it as visible light?

Luminescence

Fluorescence

Phosphorescence

2 / 40

Who discovered the quantization of electric charge in 1909?

Robert Millikan

Ernest Rutherford

J.J. Thomson

3 / 40

Who discovered the quantization of angular momentum in 1925?

Max Planck

Werner Heisenberg

Louis de Broglie

4 / 40

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

Luminescence

Phosphorescence

Fluorescence

5 / 40

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

Niels Bohr

Max Planck

Albert Einstein

6 / 40

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

Doppler effect

Compton effect

Photoelectric effect

7 / 40

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

Luminescence

Phosphorescence

Fluorescence

8 / 40

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

Continuous spectrum

Emission spectrum

Absorption spectrum

9 / 40

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

Photoelectric effect

Doppler effect

Compton effect

10 / 40

Who discovered the quantization of electric charge in 1909?

Robert Millikan

J.J. Thomson

Ernest Rutherford

11 / 40

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

Heisenberg uncertainty principle

Photoelectric effect

Compton effect

12 / 40

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

Quantum mechanics

Spectroscopy

Thermodynamics

13 / 40

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

Spectroscopy

Quantum mechanics

Thermodynamics

14 / 40

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

Niels Bohr

Albert Einstein

Max Planck

15 / 40

What is the term for the emission of light by atoms or molecules when excited by an external source?

Fluorescence

Phosphorescence

Luminescence

16 / 40

What is the term for the emission of light by a substance after it has absorbed electromagnetic radiation?

Phosphorescence

Luminescence

Fluorescence

17 / 40

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

Photons

Electrons

Quanta

18 / 40

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

Luminescence

Phosphorescence

Fluorescence

19 / 40

What is the term for the emission of light by a substance after it has absorbed energy and re-emits it as visible light?

Luminescence

Fluorescence

Phosphorescence

20 / 40

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

Electrons

Photons

Quanta

21 / 40

Who discovered the quantization of angular momentum in 1925?

Louis de Broglie

Max Planck

Werner Heisenberg

22 / 40

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

Luminescence

Phosphorescence

Fluorescence

23 / 40

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

Doppler effect

Photoelectric effect

Compton effect

24 / 40

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

Heisenberg uncertainty principle

Compton effect

Photoelectric effect

25 / 40

Who discovered the quantization of light energy in 1900?

Max Planck

Niels Bohr

Albert Einstein

26 / 40

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

Photoelectric effect

Doppler effect

Compton effect

27 / 40

What is the term for the emission of light by a substance after it has absorbed electromagnetic radiation?

Phosphorescence

Luminescence

Fluorescence

28 / 40

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

Compton effect

Photoelectric effect

Heisenberg uncertainty principle

29 / 40

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

Thermodynamics

Quantum mechanics

Spectroscopy

30 / 40

Who discovered the quantization of light energy in 1900?

Niels Bohr

Max Planck

Albert Einstein

31 / 40

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

Doppler effect

Photoelectric effect

Compton effect

32 / 40

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

Electrons

Photons

Quanta

33 / 40

What is the term for the emission of light by atoms or molecules when excited by an external source?

Fluorescence

Phosphorescence

Luminescence

34 / 40

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

Compton effect

Doppler effect

Photoelectric effect

35 / 40

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

Absorption spectrum

Emission spectrum

Continuous spectrum

36 / 40

Who discovered the quantization of electric charge in 1909?

J.J. Thomson

Ernest Rutherford

Robert Millikan

37 / 40

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

Photoelectric effect

Compton effect

Doppler effect

38 / 40

What is the term for the emission of light by atoms or molecules when excited by an external source?

Luminescence

Fluorescence

Phosphorescence

39 / 40

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

Max Planck

Niels Bohr

Albert Einstein

40 / 40

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

Wave-particle duality

Compton effect

Photoelectric effect

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adminJune 10, 2024

0 16 1 minute read