The energy of a hydrogen atom in the ground state is – 13.6 eV. The energy of a He⁺ ion
The energy of a hydrogen atom in the ground state is -13.6 eV. The energy of a He⁺ ion in…
8 years ago
Questions
The ratio of volumes of nuclei (assumed to be in spherical shape) with respective
The ratio of volumes of nuclei (assumed to be in spherical shape) with respective mass number 8 and 64 is…
8 years ago
Which series of hydrogen spectrum corresponds to ultraviolet region?
Which series of hydrogen spectrum corresponds to ultraviolet region? Options (a) Balmer series (b) Brackett series (c) Paschen series (d)…
8 years ago
In a Rutherford scattering experiment when a projectile of charge Z₁ and mass M₁
In a Rutherford scattering experiment when a projectile of charge Z₁ and mass M₁ approaches a target nucleus of charge…
8 years ago
The cadmium rods are used in nuclear reactor to
The cadmium rods are used in nuclear reactor to Options (a) Speed up neutrons (b) Slow down neutrons (c) Emit…
8 years ago
Spectrum of X-rays is
Spectrum of X-rays is Options (a) continous (b) linear (c) continous and linear (d) band Correct Answer: continousExplanation:No explanation available.…
8 years ago
The kinetic energy of an electron in the first excited state is
The total energy of electron in the ground state of hydrogen atom is -13.6 eV. The kinetic energy of an…
8 years ago
The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit
The radius of the first orbit of the hydrogen atom is a₀. The radius of the second orbit will be…
8 years ago
The ionisation energy of an electron in the ground state of helium atom is 24.6 eV.
The ionisation energy of an electron in the ground state of helium atom is 24.6 eV. The energy required to…
8 years ago
Light emitted during the de excitation of electron from n=3 to n=2, when incident
Light emitted during the de excitation of electron from n=3 to n=2, when incident on a metal, photoelectrons are just…
8 years ago