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
Physics
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
The ratio of speed of an electron in ground state in Bohr’s first orbit of hydrogen atom
The ratio of speed of an electron in ground state in Bohr's first orbit of hydrogen atom to velocity of…
8 years ago
The Kα X-ray of molybdenum has a wavelength of 71×10⁻¹² m. If the energy of a molybdenum
The Kα X-ray of molybdenum has a wavelength of 71x10⁻¹² m. If the energy of a molybdenum atom with K-…
8 years ago