Chapter 2 – Atomic Structure
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The position of both an electron and a helium atom is known within 1.0nm and the momentum of the electron is known within 50 × 10^-26 kgms^−1. The minimum uncertainty in the measurement of the momentum of the helium atom is.
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Nov
The position of both an electron and a helium atom is known within 1.0nm and the momentum of the electron is known within 50 × 10^-26 kgms^−1. The minimum uncertainty in the measurement of the momentum of the helium atom is. The orbital angular momentum of a p-electron is given as : November 12, 2020 [...]
Bohr’s radius for the H-atom (n =1) is approximately 0.530 A^o. The radius of the first excited state (n=2) orbit is :
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Nov
Bohr’s radius for the H-atom (n =1) is approximately 0.530 A^o. The radius of the first excited state (n=2) orbit is : Bohr's radius for the H-atom (n =1) is approximately 0.530 A^o. The radius of the first excited state (n=2) orbit is : November 12, 2020 Category: Chapter 2 - Atomic Structure , Chemistry [...]
The de-Broglie wavelength of a particle with mass 1g and velocity 100m/sec is.
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Nov
The de-Broglie wavelength of a particle with mass 1g and velocity 100m/sec is. The de-Broglie wavelength of a particle with mass 1g and velocity 100m/sec is. November 12, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions ,
The uncertainty in momentum of an electron is 1×10^−5 kg^−m/s. The uncertainty in its position will be (h=6.62×10^−34kg = m^2/s).
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Nov
The uncertainty in momentum of an electron is 1×10^−5 kg^−m/s. The uncertainty in its position will be (h=6.62×10^−34kg = m^2/s). The uncertainty in momentum of an electron is 1×10^−5 kg^−m/s. The uncertainty in its position will be (h=6.62×10^−34kg = m^2/s). November 12, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , NEET Last 32 [...]
Isoelectronic species are a) CO, CN–, NO+, C22– b) CO–, CN, NO, C2– c) CO+, CN+, NO–, C2 d) CO, CN, NO, C2
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Nov
Isoelectronic species are a) CO, CN–, NO+, C22– b) CO–, CN, NO, C2– c) CO+, CN+, NO–, C2 d) CO, CN, NO, C2 C2 C2 d) CO C2– c) CO+ C22– b) CO– CN– Isoelectronic species are a) CO NO+ November 12, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , NEET Last 32 [...]
For given energy E = 3.03 x 10^-19 Joules corresponding wavelength is = 6.626 x 10^-34 J sec c = 3 x 10^8 m/sec
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Nov
For given energy E = 3.03 x 10^-19 Joules corresponding wavelength is = 6.626 x 10^-34 J sec c = 3 x 10^8 m/sec For given energy E = 3.03 x 10^-19 Joules corresponding wavelength is = 6.626 x 10^-34 J sec c = 3 x 10^8 m/sec November 12, 2020 Category: Chapter 2 - [...]
The following quantum numbers are possible for how many orbitals? (s)n=3,l=2,m=+2
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Nov
The following quantum numbers are possible for how many orbitals? (s)n=3,l=2,m=+2 l2 m2 The following quantum numbers are possible for how many orbitals? (s)n=3 November 12, 2020 Category: Chapter 2 - Atomic Structure , Chemistry , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions ,
In hydrogen atom, energy of the first excited state is −3.4eV. Then find out the K.E. of the same orbit of H-atom.
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Nov
In hydrogen atom, energy of the first excited state is −3.4eV. Then find out the K.E. of the same orbit of H-atom. energy of the first excited state is −3.4eV. Then find out the K.E. of the same orbit of H-atom. In hydrogen atom November 12, 2020 Category: Chapter 2 - Atomic Structure , Chemistry [...]
The value of Planck’s constant is 6.63 x 10^-34 Js. The velocity of light is 3.0 x 10^8 ms^-1. Which value is closest to the wavelength in metres of a quantum of light with frequency of 8 x 10^15 s?
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Nov
The value of Planck’s constant is 6.63 x 10^-34 Js. The velocity of light is 3.0 x 10^8 ms^-1. Which value is closest to the wavelength in metres of a quantum of light with frequency of 8 x 10^15 s? The value of Planck's constant is 6.63 x 10^-34 Js. The velocity of light is [...]
The frequency of radiation emitted when the electron falls from n=4 to n=1 in a hydrogen atom will be (Given : ionization energy of H=2.18×10^ −18 J atom^−1 and h=6.625×10^−34 Js)
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Nov
The frequency of radiation emitted when the electron falls from n=4 to n=1 in a hydrogen atom will be (Given : ionization energy of H=2.18×10^ −18 J atom^−1 and h=6.625×10^−34 Js) The frequency of radiation emitted when the electron falls from n=4 to n=1 in a hydrogen atom will be (Given : ionization energy of [...]