Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the Dual Nature of Radiation and Matter. In this article, we will provide 50+ MCQ questions on the Dual Nature of Radiation and Matter, along with detailed solutions to help you prepare for the JEE Mains exam.
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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Dual Nature of Radiation and Matter JEE Mains MCQ Questions with Answers.
Dual Nature of Radiation and Matter JEE Mains MCQ
Which of the following is not a characteristic of a photon?
(a) Zero rest mass
(b) Wave-particle duality
(c) Carries energy and momentum
(d) Carries a positive charge
The de Broglie wavelength is associated with the:
(a) Mass of a particle
(b) Charge of a particle
(c) Momentum of a particle
(d) Energy of a particle
The photoelectric effect is the phenomenon of:
(a) Emission of electrons by metals when exposed to light
(b) Absorption of light by metals
(c) Reflection of light by metals
(d) Scattering of light by metals
In the photoelectric effect, increasing the intensity of incident light leads to:
(a) An increase in the number of emitted electrons
(b) An increase in the kinetic energy of emitted electrons
(c) A decrease in the stopping potential
(d) No change in the photoelectric current
The work function of a material is the minimum energy required:
(a) To emit a photon
(b) To excite an electron to a higher energy level
(c) To remove an electron from the material
(d) To ionize the material
According to the wave-particle duality of light, the intensity of light is related to its:
(a) Frequency
(b) Wavelength
(c) Speed
(d) Amplitude
The threshold frequency in the photoelectric effect depends on the:
(a) Intensity of incident light
(b) Wavelength of incident light
(c) Speed of incident light
(d) None of the above
The stopping potential in the photoelectric effect is directly proportional to the:
(a) Intensity of incident light
(b) Frequency of incident light
(c) Wavelength of incident light
(d) Work function of the material
The maximum kinetic energy of photoelectrons emitted in the photoelectric effect depends on the:
(a) Intensity of incident light
(b) Frequency of incident light
(c) Wavelength of incident light
(d) Work function of the material
The phenomenon of diffraction of electrons is observed when they pass through:
(a) A narrow slit
(b) A double slit
(c) A diffraction grating
(d) All of the above
The wavelength of matter waves associated with a particle is inversely proportional to its:
(a) Mass
(b) Velocity
(c) Momentum
(d) Kinetic energy
Which experiment provided evidence for the dual nature of electrons?
(a) Millikan’s oil drop experiment
(b) Davisson-Germer experiment
(c) Young’s double-slit experiment
(d) Rutherford’s gold foil experiment
According to the photoelectric effect, the kinetic energy of emitted electrons depends on the:
(a) Intensity of incident light
(b) Frequency of incident light
(c) Amplitude of incident light
(d) Polarization of incident light
The work function of a metal is the minimum energy required to:
(a) Emit a photon
(b) Emit an electron
(c) Excite an electron
(d) Ionize an atom
In the photoelectric effect, increasing the intensity of incident light while keeping the frequency constant will:
(a) Increase the number of emitted electrons
(b) Increase the kinetic energy of emitted electrons
(c) Decrease the stopping potential
(d) Have no effect on the photoelectric current
The de Broglie wavelength of a particle is inversely proportional to its:
(a) Velocity
(b) Momentum
(c) Energy
(d) Mass
The wavelength associated with a moving particle is given by:
(a) λ = h/mv
(b) λ = hc/E
(c) λ = h/p
(d) λ = mv/h
The de Broglie wavelength of a macroscopic object, such as a car, is:
(a) Very long
(b) Very short
(c) Not applicable
(d) Comparable to its size
The uncertainty principle, as formulated by Heisenberg, states that it is impossible to simultaneously know the exact values of a particle’s:
(a) Position and velocity
(b) Mass and momentum
(c) Energy and time
(d) Spin and charge
The Schrödinger equation describes the behavior of:
(a) Particles with definite positions and velocities
(b) Waves with definite frequencies and wavelengths
(c) Particles in classical mechanics
(d) Quantum mechanical systems
The wave function in quantum mechanics gives information about the:
(a) Probability of finding a particle at a particular position
(b) Velocity of a particle
(c) Momentum of a particle
(d) Energy of a particle
The energy levels of electrons in an atom are quantized, which means:
(a) They can have any value of energy
(b) They can only have certain specific values of energy
(c) They can have continuous values of energy
(d) They are independent of the atom’s nucleus
The principal quantum number (n) in the quantum mechanical model of the atom represents the:
(a) Size of the electron cloud
(b) Shape of the electron cloud
(c) Orientation of the electron cloud
(d) Spin of the electron
The angular momentum of an electron in an atom is quantized and is given by:
(a) L = nh/2π
(b) L = n/2πh
(c) L = 2πnh
(d) L = 2πn/h
The maximum number of electrons that can occupy a single orbital is:
(a) 1
(b) 2
(c) 4
(d) Depends on the principal quantum number
The Pauli exclusion principle states that:
(a) Electrons in the same orbital must have opposite spins
(b) Electrons in the same orbital must have the same spin
(c) Electrons in different orbitals must have opposite spins
(d) Electrons in different orbitals must have the same spin
The electronic configuration of an atom is determined by:
(a) The number of neutrons in the nucleus
(b) The number of protons in the nucleus
(c) The number of electrons in the atom
(d) The arrangement of electrons in energy levels and orbitals
The Aufbau principle states that:
(a) Electrons fill orbitals of higher energy first
(b) Electrons fill orbitals of lower energy first
(c) Electrons fill orbitals of equal energy first
(d) Electrons fill orbitals randomly
The electronic configuration of nitrogen (Z = 7) is:
(a) 1s² 2s² 2p³
(b) 1s² 2s² 2p⁴
(c) 1s² 2s² 2p⁶
(d) 1s² 2s² 2p²
The concept of electron spin was proposed by:
(a) Albert Einstein
(b) Erwin Schrödinger
(c) Werner Heisenberg
(d) Samuel Goudsmit and George Uhlenbeck
The magnetic quantum number (m) specifies the:
(a) Size of the electron cloud
(b) Shape of the electron cloud
(c) Orientation of the electron cloud
(d) Spin of the electron
We hope there JEE MCQ of Class 12 Dual Nature of Radiation and Matter will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
