Recent Questions
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Which Of The Following Are Isoelectronic Species I.e., Those Having The Same Number Of Electrons?
CBSE DiscussionsModified 5 Year Ago
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The Mass Of An Electron Is 9.1 × 10–31 Kg. If Its K.E. Is 3.0 × 10–25 J, Calculate Its Wavelength
CBSE DiscussionsModified 5 Year Ago
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0 votes0 answer241 views
Calculate The Wavelength Of An Electron Moving With A Velocity Of 2.05 × 107 Ms–1 .
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0 votes0 answer171 views
What Is The Longest Wavelength Of Light In Cm That Can Be Used To Cause This Transition?
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0 votes0 answer186 views
The Ground State Electron Energy Is –2.18 × 10–11 Ergs
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0 votes0 answer197 views
Calculate The Wavenumber For The Longest Wavelength Transition In The Balmer Series Of Atomic Hydrogen.
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0 votes0 answer298 views
Calculate The Radius Of Bohr’s Fifth Orbit For Hydrogen Atom.
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0 votes0 answer326 views
What Is The Maximum Number Of Emission Lines When The Excited Electron Of A H Atom In N = 6 Drops To The Ground State?
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0 votes0 answer168 views
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0 votes0 answer190 views
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0 votes0 answer250 views
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0 votes0 answer377 views
Alculate The Rate Of Emission Of Quanta Per Second
CBSE DiscussionsModified 5 Year Ago
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20 votes1 answer279 views
Electromagnetic Radiation Of Wavelength 242 Nm Is Just Sufficient To Ionize The Sodium Atom. Calculate The Ionization Energy Of Sodium In KJ Mol–1 .
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0 votes0 answer299 views
A Photon Of Wavelength 4 × 10–7 M Strikes On Metal Surface, The Work Function Of The Metal Being 2.13 EV.
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0 votes0 answer179 views
What Is The Number Of Photons Of Light With A Wavelength Of 4000 Pm That Provide 1J Of Energy?
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0 votes0 answer196 views
Calculate The Wavelength, Frequency And Wavenumber Of A Light Wave Whose Period Is 2.0 × 10–10 S.
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0 votes0 answer218 views
Find Energy Of Each Of The Photons Which
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0 votes0 answer298 views
Yellow Light Emitted From A Sodium Lamp Has A Wavelength (?) Of 580 Nm. Calculate The Frequency (?) And Wavenumber (? ) Of The Yellow Light.
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0 votes0 answer211 views
Write The Complete Symbol For The Atom With The Given Atomic Number (Z) And Atomic Mass (A)
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How Many Neutrons And Protons Are There In The Following Nuclei ?
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Using S, P, D, F Notations, Describe The Orbital With The Following Quantum Numbers:
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What Is The Total Number Of Orbitals Associated With The Principal Quantum Number N = 3 ?
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0 votes0 answer364 views
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0 votes0 answer263 views
A Golf Ball Has A Mass Of 40g, And A Speed Of 45 M/s. If The Speed Can Be Measured Within Accuracy Of 2%, Calculate The Uncertainty In The Position.
CBSE DiscussionsModified 5 Year Ago
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0 votes0 answer282 views
What Will Be The Wavelength Of A Ball Of Mass 0.1 Kg Moving With A Velocity Of 10 M S–1 ?
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0 votes0 answer325 views
Calculate The Mass Of A Photon With Wavelength 3.6 Å
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0 votes0 answer279 views
The Mass Of An Electron Is 9.1×10–31 Kg. If Its K.E. Is 3.0×10–25 J, Calculate Its Wavelength.
CBSE DiscussionsModified 5 Year Ago
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20 votes1 answer300 views
Calculate The Energy Associated With The First Orbit Of He+ . What Is The Radius Of This Orbit?
CBSE DiscussionsModified 5 Year Ago
