The number of correct statements from the following is ________.
Atomic Orbitals – Probability Density Statements | JEE Main PYQ | Structure of Atom Q. The number of correct statements […]
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Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R:
Photoelectric Effect – Assertion Reason | JEE Main PYQ | Structure of Atom Q. Given below are two statements: one
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The number of incorrect statement/s about the black body from the following is ______. (A) Emit or absorb energy in the form of electromagnetic radiation. (B) Frequency distribution of the emitted radiation depends on temperature. (C) At a given temperature, intensity vs frequency curve passes through a maximum value. (D) The maximum of the intensity vs frequency curve is at a higher frequency at higher temperature compared to that at lower temperature.
Black Body Radiation – Incorrect Statements | JEE Main PYQ | Structure of Atom Q. The number of incorrect statement/s
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The number of atomic orbitals from the following having 5 radial nodes is ______. 7s, 7p, 6s, 8p, 8d
Atomic Orbitals with 5 Radial Nodes | JEE Main PYQ | Structure of Atom Q. The number of atomic orbitals
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The wavelength of an electron of kinetic energy 4.50 × 10⁻²⁹ J is ______ × 10⁻⁵ m. (Nearest integer)
De Broglie Wavelength of Electron from Kinetic Energy | JEE Main PYQ | Structure of Atom Q. The wavelength of
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If the radius of the first orbit of hydrogen atom is a₀, then de Broglie’s wavelength of electron in 3rd orbit is:
De Broglie Wavelength of Electron in 3rd Orbit | JEE Main PYQ | Structure of Atom Q. If the radius
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The number of radial node/s for 3p orbital is: (A) 3 (B) 2 (C) 1 (D) 4
Number of Radial Nodes for 3p Orbital | JEE Main PYQ | Structure of Atom Q. The number of radial
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The number of electrons present in all the completely filled subshells having n = 4 and s = +1/2 is ______.
Electrons in Completely Filled Subshells (n = 4) | JEE Main PYQ | Structure of Atom Q. The number of
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The four quantum numbers for the electron in the outermost orbital of potassium (atomic number 19) are:
Quantum Numbers of Potassium Valence Electron | JEE Main PYQ | Structure of Atom Q. The four quantum numbers for
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The ionization energy of sodium in kJ mol⁻¹, if electromagnetic radiation of wavelength 242 nm is just sufficient to ionize sodium atom is ______.
Ionization Energy of Sodium from Wavelength | JEE Main PYQ | Structure of Atom Q. The ionization energy of sodium