Chemistry-
General
Easy
Question
Agasabsorbsaphotonof300nmandthenre-emittstwophotons.Onephotonhasa wavelength600nm.Thewavelengthofsecond photonis-
- Electronsdonotmove
- Electronsmoveemittingradiations
- Energyoftheelectronremainsconstant
- Angular momentum of the electron is h/2π
The correct answer is: Energyoftheelectronremainsconstant
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Which orbital is respresented by wave function Ψ310
Which orbital is respresented by wave function Ψ310
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What transition in He+ will have the same λ as the I line in lyman series of H-atom
What transition in He+ will have the same λ as the I line in lyman series of H-atom
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In 7N14 if mass attributed to electron were doubled& the mass attributed to protons were halved, the atomic mass would become approximately:
In 7N14 if mass attributed to electron were doubled& the mass attributed to protons were halved, the atomic mass would become approximately:
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olution o
is
olution o
is
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A particle X moving with a certain velocity has a debroglie wave length of 1Å.If particle Y has a mass of 25% that of X and velocity 75% that of X, debroglies wavelength of Y will be-
A particle X moving with a certain velocity has a debroglie wave length of 1Å.If particle Y has a mass of 25% that of X and velocity 75% that of X, debroglies wavelength of Y will be-
chemistry-General
chemistry-
In n&l are principal and azimuthal quantum no. respectively then the experession for
calculating the total no. of electron in any level is-
In n&l are principal and azimuthal quantum no. respectively then the experession for
calculating the total no. of electron in any level is-
chemistry-General
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Which is correct relationship:
Which is correct relationship:
chemistry-General
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In which transition, one quantum of energy is emmited:
In which transition, one quantum of energy is emmited:
chemistry-General
chemistry-
For any H like system, the ratio of velocities of I,II&III orbit i.e.V1 :V2 :V3 will be
For any H like system, the ratio of velocities of I,II&III orbit i.e.V1 :V2 :V3 will be
chemistry-General
chemistry-
An orbital with ι=0 is Symmetrical about the:
An orbital with ι=0 is Symmetrical about the:
chemistry-General
chemistry-
The configuration 1s2,2s22p5,3s1 shows:
The configuration 1s2,2s22p5,3s1 shows:
chemistry-General
chemistry-
An isotone of 32Ge76 is
i) 32Ge
ii)33As
iii)34Se77
iv)34Se78
An isotone of 32Ge76 is
i) 32Ge
ii)33As
iii)34Se77
iv)34Se78
chemistry-General
Maths-
In ![straight triangle A B C comma left parenthesis a plus b plus c right parenthesis open parentheses tan invisible function application A over 2 plus tan invisible function application B over 2 close parentheses tan invisible function application C over 2 equals](data:image/png;base64,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)
In ![straight triangle A B C comma left parenthesis a plus b plus c right parenthesis open parentheses tan invisible function application A over 2 plus tan invisible function application B over 2 close parentheses tan invisible function application C over 2 equals](data:image/png;base64,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)
Maths-General
chemistry-
Setofmoleculeswhichareisoelectronic is:
a)N2andCO
b)CO2&laughinggas
c)CaO and MgS
d) Benzene& Borazole
Setofmoleculeswhichareisoelectronic is:
a)N2andCO
b)CO2&laughinggas
c)CaO and MgS
d) Benzene& Borazole
chemistry-General
chemistry-
The atomic mass 25 had 13 neutron’s in its nucleus what its ions will be:
The atomic mass 25 had 13 neutron’s in its nucleus what its ions will be:
chemistry-General