Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • wavelength emitted by an atom of atomic number <img alt="\mathrm{Z=11}" src="https://

\mathrm{K_\alpha} wavelength emitted by an atom of atomic number \mathrm{Z=11} is \mathrm{\lambda}. Find the atomic number for an atom that emits \mathrm{K_\alpha} radiation with wavelength \mathrm{4 \lambda} :


 

Option: 1

\mathrm{Z=6}
 


Option: 2

\mathrm{Z=4}


Option: 3

\mathrm{Z=11}


Option: 4

\mathrm{Z=44}


Answers (1)

best_answer

\mathrm{\frac{1}{\lambda} \propto(Z-1)^2 }

\mathrm{ \therefore \frac{\lambda_1}{\lambda_2} =\left(\frac{Z_2-1}{Z_1-1}\right)^2 }

\mathrm{ \text { or } \frac{1}{4} =\left(\frac{Z_2-1}{11-1}\right)^2 }

Solving this, we get \mathrm{ Z_2=6 }

\therefore option 1 is correct.
 

Posted by

Ajit Kumar Dubey

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

Uttarakhand NEET Counselling 2026: CM Dhami expands probe to include other reserved categories
anam-khan

NEET: Nilekani panel’s first report by month-end; SC plans NTA office visit
anam-khan

Uttarakhand NEET Counelling: Quota certificates under lens after 5 booked for securing MBBS seat via fake ones

Latest Question