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गुरुर्ब्रह्मा गुरुर्विष्णु गुरुर्देवो महेश्वरा गुरुर्साक्षात परब्रह्म तस्मै श्री गुरवे नमः !
1. Which principle states that the laws of physics are the same in all inertial frames of reference?
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Uncertainty principle
Pauli exclusion principle
Principle of relativity
Conservation of energy
2. What is the name of the particle associated with the transmission of the electromagnetic force?
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Electron
Graviton
Photon
Neutrino
3. What is the term for the mutual destruction of a particle and its antiparticle?
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Fusion
Pair production
Annihilation
Fission
4. What is the term for the loss of quantum coherence due to interaction with the environment?
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Entanglement
Tunneling
Decoherence
Superposition collapse
Choose the correct option.
Choose the correct option.
5. Which of the following phenomena is not explained by classical physics and requires quantum mechanics?
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Photoelectric effect
All of the above
Blackbody radiation
Compton effect
6. Which of the following is not an observable in quantum mechanics?
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Momentum
Velocity
Position
Spin
7. What is the principle that states that two identical fermions cannot occupy the same quantum state simultaneously?
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Heisenberg uncertainty principle
Planck's principle
Pauli exclusion principle
Schrödinger equation
8. What is the term for the process of particles combining to form new particles?
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Fission
Pair production
Fusion
Annihilation
Choose the correct option.
Choose the correct option.
9. What phenomenon occurs when two quantum particles become correlated in such a way that the state of one instantly influences the state of the other, regardless of the distance between them?
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Tunneling
Diffraction
Entanglement
Superposition
10. What does the term "quantization" mean in quantum mechanics?
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Continuous energy levels
Varying energy levels
Discrete energy levels
Random energy levels
11. What is the term for the simultaneous and complementary aspects of a physical quantity?
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Complementarity
Equivalence
Duality
Reciprocity
12. Which of the following particles is not subject to the Pauli exclusion principle?
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Proton
Photon
Electron
Neutron
13. What is the term for the study of the behavior of matter and energy on a microscopic scale?
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Options
Classical mechanics
Relativistic mechanics
Quantum mechanics
Statistical mechanics
14. What is the term for the bending of light as it passes through different mediums?
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Reflection
Diffraction
Refraction
Dispersion
15. What is the term for a process in which a photon is absorbed by an atom, resulting in the excitation of an electron to a higher energy state?
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Emission
Ionization
Absorption
Scattering
16. What is the term for the process by which an unstable atomic nucleus loses energy by emitting radiation?
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Nuclear fusion
Beta decay
Radioactive decay
Nuclear fission
17. What is the term for a particle made up of two or more elementary particles?
Elementary particle
Leptons
Composite particle
Fundamental particle
18. What is the term for the simultaneous and complementary aspects of a physical quantity?
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Options
Complementarity
Equivalence
Duality
Reciprocity
19. What is the term for a type of particle with half-integer spin?
Boson
Lepton
Fermion
Quark
20. What is the term for the amount of energy required to remove the most loosely bound electron from an atom?
Electron affinity
Electronvolt
Ionization energy
Electronegativity
21. What is the term for a hypothetical particle that mediates the gravitational force?
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Photon
Boson
Graviton
Gluon
22. What is the term for the study of the properties and behavior of matter and energy on a macroscopic scale?
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Options
Quantum mechanics
Relativistic mechanics
Classical mechanics
Statistical mechanics
23. Which of the following is not a type of quantum number?
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Orbital quantum number (l)
Magnetic quantum number (ml)
Principal quantum number (n)
Subatomic quantum number (s)
24. What is the term for a particle made up of two or more elementary particles?
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Options
Elementary particle
Leptons
Composite particle
Fundamental particle
25. Which of the following is a consequence of the Pauli exclusion principle?
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Options
Formation of chemical bonds
All of the above
Formation of electron shells
Formation of energy bands
26. What is the name of the property of particles that allows them to be in multiple states simultaneously until observed?
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Entanglement
Diffraction
Superposition
Tunneling
27. Which of the following particles is responsible for the strong nuclear force?
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Photon
Z boson
Gluon
W boson
28. What is the term for the process of combining two atomic nuclei to form a heavier nucleus and releasing energy?
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Nuclear fission
Beta decay
Nuclear fusion
Radioactive decay
29. What is the term for the change in frequency of a wave when the source or observer is moving relative to each other?
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Options
Compton effect
Zeeman effect
Doppler effect
Photoelectric effect
30. What is the term for a process in which a photon is absorbed by an atom, resulting in the excitation of an electron to a higher energy state?
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Options
Emission
Ionization
Absorption
Scattering
31. What is the term for the bending of light as it passes through different mediums?
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Options
Reflection
Diffraction
Refraction
Dispersion
32. What is the term for the study of the behavior of matter and light at the atomic and subatomic levels?
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Options
Classical mechanics
Statistical mechanics
Quantum mechanics
Relativistic mechanics
33. Which particle is responsible for mediating the weak nuclear force?
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Options
Photon
Graviton
W boson
Gluon
34. What is the term for the time it takes for a radioactive substance to lose half of its activity?
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Decay period
Exponential time
Half-life
Radioactive period
35. Which of the following is not a type of electromagnetic radiation?
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Gamma rays
Microwaves
X-rays
Beta rays
36. What is the term for a hypothetical particle that mediates the gravitational force?
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Options
Photon
Boson
Graviton
Gluon
37. Which of the following is a consequence of the Pauli exclusion principle?
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Options
Formation of chemical bonds
All of the above
Formation of electron shells
Formation of energy bands
38. What is the term for the emission of electrons from a material when it is exposed to light?
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Options
Compton effect
Stark effect
Photoelectric effect
Zeeman effect
39. Which of the following is not a type of quantum number?
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Options
Orbital quantum number (l)
Magnetic quantum number (ml)
Principal quantum number (n)
Subatomic quantum number (s)
40. What is the term for the study of the properties and behavior of matter and energy on a macroscopic scale?
Options
Options
Quantum mechanics
Relativistic mechanics
Classical mechanics
Statistical mechanics
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