Chemistry-
General
Easy
Question
lonization energy of second orbit of Li+2eV
- 122.4eV
- 40.8eV
- 30.6eV
- 13.6eV
The correct answer is: 30.6eV
Related Questions to study
chemistry-
The energy of H- atom in nth orbit is En then energy in nth orbit of singly ionised helium atom will be :
The energy of H- atom in nth orbit is En then energy in nth orbit of singly ionised helium atom will be :
chemistry-General
chemistry-
An element M has 25 protons. The number of electrons in itsM+2 cation will be:
An element M has 25 protons. The number of electrons in itsM+2 cation will be:
chemistry-General
physics-
A parallel beam of monochromatic radiation of cross-section area A( < p a 2), intensity I and is incident on a solid conductingnfrequency 0fsphere of work function 
and radius 'a' The sphere is grounded by a conducting wire Assume that for each incident photon one photoelectron is ejected Just after this radiation is incident on initially uncharged sphere, the current through the conducting wire is:
A parallel beam of monochromatic radiation of cross-section area A( < p a 2), intensity I and is incident on a solid conductingnfrequency 0fsphere of work function and radius 'a' The sphere is grounded by a conducting wire Assume that for each incident photon one photoelectron is ejected Just after this radiation is incident on initially uncharged sphere, the current through the conducting wire is:
physics-General
biology
Which of the following is 5-carbon compound of Kreb’s cycle
Which of the following is 5-carbon compound of Kreb’s cycle
biologyGeneral
biology
Which of the following cytochrome donated electron to oxygen
Which of the following cytochrome donated electron to oxygen
biologyGeneral
biology
Which of the follwing ETS complex is inhibited by cyanide
Which of the follwing ETS complex is inhibited by cyanide
biologyGeneral
biology
Green plants kept in light produce ATP from the glucose. This process is
Green plants kept in light produce ATP from the glucose. This process is
biologyGeneral
chemistry-
Which of the following pair is isoelectronic:
Which of the following pair is isoelectronic:
chemistry-General
chemistry-
Unpaired electron present inCr+3
Unpaired electron present inCr+3
chemistry-General
chemistry-
Number of unpaired electron in1s2,2s2,2p4
Number of unpaired electron in1s2,2s2,2p4
chemistry-General
chemistry-
Na+ is Isoelectronic with-
Na+ is Isoelectronic with-
chemistry-General
chemistry-
The wavelength of thirdly man series hydrogen atom is approximately-
The wavelength of thirdly man series hydrogen atom is approximately-
chemistry-General
chemistry-
How many s electron are there in Cu+-
How many s electron are there in Cu+-
chemistry-General
physics-
The radiation force experienced by body exposed to radiation of intensity I, assuming surface of body to be perfectly absorbing is:
The radiation force experienced by body exposed to radiation of intensity I, assuming surface of body to be perfectly absorbing is:
physics-General
physics-
STATEMENT - 1 : If the accelerating potential in an X-ray tube is increased, the wavelengths of the characteristic X-rays do not change
STATEMENT - 2 : When an electron beam strikes the target in an X-ray tube, part of the kinetic energy is converted into X-ray energy
STATEMENT - 1 : If the accelerating potential in an X-ray tube is increased, the wavelengths of the characteristic X-rays do not change
STATEMENT - 2 : When an electron beam strikes the target in an X-ray tube, part of the kinetic energy is converted into X-ray energy
physics-General
