1.

What is the wavelength of a photon of energy 1 eV ?

Answer»

`12.4xx10^(3)Å`
`2.4xx10^(3)Å`
`0.4xx10^(2)Å`
`1000Å`

SOLUTION :`p=mc=(mc^(2))/(C)=(E)/(c)=(HV)/(c)=(h)/(lambda)`
`RARR (E)/(c)=(h)/(lambda) rArr E=(hc)/(lambda)`
`rArr lambda=12*375xx10^(3) Å`


Discussion

No Comment Found

Related InterviewSolutions