Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The distance between NaCl crystal is 482 pm x ray are diffracted from these layers at an angle of <img alt="23.0^{\circ}" src="https://entrancecorner.oncodecogs.com/gif.latex?23.0%5E%7B%5Ccirc

The distance between NaCl crystal is 482 pm x ray are diffracted from these layers at an angle of 23.0^{\circ} with first-order diffaction calculate the wavelength of x-rays in nm 

Option: 1

0.432 nm


Option: 2

0.632 nm


Option: 3

0.324 nm


Option: 4

0.815 nm


Answers (1)

best_answer

According of Bragy's eq

\mathrm{\begin{gathered} n \lambda=2 d \sin \theta \\ n=1, \quad d=482 \mathrm{pm}, \quad Q=23^{\circ} \\ 1 \lambda=2 \times 482 \times 0.846 \\ \lambda=815.5 \mathrm{pm} \\ \lambda=0.815 \mathrm{~nm} \end{gathered}}

Posted by

manish

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2026 application correction begins on jeemain.nta.nic.in; edit details by December 2
anam-khan

JEE Mains 2026 LIVE: NTA to conduct session 1 from January 21 to 30; exam pattern, syllabus
anam-khan

JEE Main 2026 correction window opens tomorrow; NTA allows exam city change

Latest Question