1800-150-456-789
FlagBACK
Flag Inorganic Chemistry> An electron in a hydrogen atom in its gro...
question mark

An electron in a hydrogen atom in its ground state absorbs 1.5 times as much energy as the minimum required for it to escape from the atom. Find the Wavelength of the emitted electron

Shadow The Hedgehog , 5 Years ago
Grade 11
anser 1 Answers
Arun

Last Activity: 5 Years ago

 
excess energy = 6.8 eV = 6.8 * 1.6 * 10^-19 J = 1.09 * 10^-18 J
h/mc = wavelength
here it can also be written as wavelength = h/sqrt(2mKE)
where h = 6.626 * 10^-34
m = 9.1 * 10^-31 kg
KE = eV = 1.09 * 10^-18 J
so substitute these answers and you will get answer as 4.7 angstrom.    

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

Other Related Questions on Inorganic Chemistry

question mark
Total number of structural isomers of [Co(NH3)6][Cr(CN)6]
Inorganic Chemistry
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
Why is boiling point of Cesium higher than that of Rubidium
Inorganic Chemistry
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
which isomer mentioned in (a) is water soluble and why?
Inorganic Chemistry
1 Answer Available

Last Activity: 2 Year ago(s)

question mark
A gaseous mixture contains CO2 and CO the mass of the mixture is 200g and they are presenting equal fraction of moles . Find the total no. of O-atoms present in the mixture.
Inorganic Chemistry
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
a gaseous mixture contains O2 , N2 and He in equal fraction of moles . Find the mass of He if 28g of N is present and 32g of O is present.
Inorganic Chemistry
0 Answer Available

Last Activity: 2 Year ago(s)