Biology
General
Easy
Question
Which complex is formed by FMN NADH2, Dehydrogenase,?
- Complex–
- Complex–
- Complex–
- All the above
The correct answer is: Complex–
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physics-
A point source causes photoelectric effect from a small metal plate Which of the following curves may represent the saturation photocurrent as a function of the distance between the source and the metal?
A point source causes photoelectric effect from a small metal plate Which of the following curves may represent the saturation photocurrent as a function of the distance between the source and the metal?
physics-General
chemistry-
The frequency of radiation emitted when the electron falls from n=4ton=1in a hydrogen atom will be(Given ionization energy of H=2.18×10–18Jatom–1 and h=6.625×10–34Js)
The frequency of radiation emitted when the electron falls from n=4ton=1in a hydrogen atom will be(Given ionization energy of H=2.18×10–18Jatom–1 and h=6.625×10–34Js)
chemistry-General
chemistry-
The value of planck’sconstantis6.63×10–34 Js. The velocity of light is3.0×108ms–1.Which value is closest to the wavelength in metres of a quantum of light with frequency of 8×1015s–1.
The value of planck’sconstantis6.63×10–34 Js. The velocity of light is3.0×108ms–1.Which value is closest to the wavelength in metres of a quantum of light with frequency of 8×1015s–1.
chemistry-General
chemistry-
Which of the following is iso-electronic:
Which of the following is iso-electronic:
chemistry-General
chemistry-
The de-Broglie wavelength associated with a particle of mass10-6kg moving with a velocity of 10ms–1,is-
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chemistry-General
physics-
STATEMENT–1 : In the duration electron jumps from first excited state to ground state in a stationary isolated hydrogen atom, angular momentum of the electron about the nucleus is conserved
STATEMENT–2 : As the electron jumps from first excited state to ground state, in a hydrogen atom, the electrostatic force on electron is always directed towards the nucleus.
STATEMENT–1 : In the duration electron jumps from first excited state to ground state in a stationary isolated hydrogen atom, angular momentum of the electron about the nucleus is conserved
STATEMENT–2 : As the electron jumps from first excited state to ground state, in a hydrogen atom, the electrostatic force on electron is always directed towards the nucleus.
physics-General
physics-
A beam of electrons striking a copper target produces X-rays.Its spectrum is as shown Keeping the voltage same if the copper target is replaced with a different metal, the cut-off wavelength and characteristic lines of the new spectrum will change in comparision with old as :
A beam of electrons striking a copper target produces X-rays.Its spectrum is as shown Keeping the voltage same if the copper target is replaced with a different metal, the cut-off wavelength and characteristic lines of the new spectrum will change in comparision with old as :
physics-General
biology
-oxidation takes place in
-oxidation takes place in
biologyGeneral
biology
Which 5-carbon organic acid of TCA-cycle is key compound in N2 -metabolism ?
Which 5-carbon organic acid of TCA-cycle is key compound in N2 -metabolism ?
biologyGeneral
biology
FADH2 Produced in Kreb’s-cycle from
FADH2 Produced in Kreb’s-cycle from
biologyGeneral
chemistry-
If change in energy: (
)=3×10–8J,h=6.64 × 10–34 J–s and c=3×108m/s, then wavelength of the line is
If change in energy: ()=3×10–8J,h=6.64 × 10–34 J–s and c=3×108m/s, then wavelength of the line is
chemistry-General
chemistry-
lonization energy of second orbit of Li+2eV
lonization energy of second orbit of Li+2eV
chemistry-General
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
