General
Easy
Chemistry-

Thvelocitoelectroin third excitestate of Be3+ wilbe-

Chemistry-General

  1. (2.18106)Kms1    
  2. (2.18103)Kms1    
  3. fraction numerator 3 over denominator 4 end fraction (2.188×106)ms1    
  4. fraction numerator 3 over denominator 4 end fraction (2.188×108)ms1    

    Answer:The correct answer is: (2.18103)Kms1

    Book A Free Demo

    +91

    Grade

    Related Questions to study

    General
    chemistry-

    Which onothfollowing species wilgive a series of spectral lines similar to that of series of Mg2+:

    Which onothfollowing species wilgive a series of spectral lines similar to that of series of Mg2+:

    chemistry-General
    General
    chemistry-

    The wavnumber of firslinoBalmeseries of hydrogen atom is15200cm1.Whatisthe wavnumber of firslinoBalmeserieof Li2+ ion:

    The wavnumber of firslinoBalmeseries of hydrogen atom is15200cm1.Whatisthe wavnumber of firslinoBalmeserieof Li2+ ion:

    chemistry-General
    General
    physics-

    A photodetector is made from a semiconductor In 0.53 G a subscript 0.47 end subscriptAs with E g equals 0.73 e V. What is the maximum wavelength, which it can detect

    A photodetector is made from a semiconductor In 0.53 G a subscript 0.47 end subscriptAs with E g equals 0.73 e V. What is the maximum wavelength, which it can detect

    physics-General
    General
    chemistry-

    The figurindicates the energy level diagram for the origin of six spectral lines in emission spectrum (e.g. line no. 5 a rises from the transition from level B to X) which of the following spectral lines will not occur in the absorption spectrum: 

    The figurindicates the energy level diagram for the origin of six spectral lines in emission spectrum (e.g. line no. 5 a rises from the transition from level B to X) which of the following spectral lines will not occur in the absorption spectrum: 

    chemistry-General
    General
    chemistry-

    The transition of electron in H-atom that will emimaximum energy is:

    The transition of electron in H-atom that will emimaximum energy is:

    chemistry-General
    General
    chemistry-

    The wavelength of photon obtained by electron transition between two levels in HatoansinglioniseHare λ1 and λ2 respectivelythen:

    The wavelength of photon obtained by electron transition between two levels in HatoansinglioniseHare λ1 and λ2 respectivelythen:

    chemistry-General
    General
    chemistry-

    The ratio of wavlengths of firsline of Lymen seriein Li+2 and first line of Lymeseriein deuterium(1H2)is:

    The ratio of wavlengths of firsline of Lymen seriein Li+2 and first line of Lymeseriein deuterium(1H2)is:

    chemistry-General
    General
    chemistry-

    FoLi+2,r2:r5 wilbe-

    FoLi+2,r2:r5 wilbe-

    chemistry-General
    General
    chemistry-

    When the atomogolsheearbombarded with a be aof α-particles, only a few α- particleget deflected where as most of them gstraighun deflectedThiibecause–

    IT was the logical conclusion of his experiment.

    When the atomogolsheearbombarded with a be aof α-particles, only a few α- particleget deflected where as most of them gstraighun deflectedThiibecause–

    chemistry-General
    IT was the logical conclusion of his experiment.
    General
    chemistry-

    Mass of neutron is........times the mass of electron -

    Mass of neutron is........times the mass of electron -

    chemistry-General
    General
    chemistry-

    Which has highest e/m ratio–

    Massof isminimum

    Which has highest e/m ratio–

    chemistry-General
    Massof isminimum
    General
    chemistry-

    1s2 2s2 2p5 3s2 shown configuration of:

    1s2 2s2 2p5 3s2 shown configuration of:

    chemistry-General
    General
    chemistry-

    Whicof the following transition neitheshows absorptionor emissioof energincase of Hydrogen atom:

    Whicof the following transition neitheshows absorptionor emissioof energincase of Hydrogen atom:

    chemistry-General
    General
    chemistry-

    At rootemperaturesodium crystalisein a bodcentrecubicell with a=4.24Å. The thoretical densitosodiuis(Atomimass osodium=23.0gmol–1)

    At rootemperaturesodium crystalisein a bodcentrecubicell with a=4.24Å. The thoretical densitosodiuis(Atomimass osodium=23.0gmol–1)

    chemistry-General
    General
    chemistry-

    For the structure given below the site marked as S is a :

    For the structure given below the site marked as S is a :

    chemistry-General