Go To Your Study Dashboard

Get Answers to all your Questions

header-bg

In a young's double slit experiment 15 fringes are observed on a small portion of the screen when light of wavelength 500 nm is used. Ten fringes are observed on the same section of the screen when another light source of wavelength $\lambda$ is used. Then the value of $\lambda$ is ( in nm) _____.
Option: 1 750
Option: 2 650
Option: 3 850
Option: 4 450

Answers (1)

best_answer

$15\times 500\times \frac{D}{d}=10\times \lambda _{2}\times \frac{D}{d}$

$\lambda _{2}=15\times 50nm$

$\lambda _{2}=750nm$

Posted by

avinash.dongre

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 2024 session 2 final answer key soon at jeemain.nta.ac.in; result on April 25

anam-khan

JEE Main 2024 Session 2: Last day to challenge answer key today

anam-khan

BTech admission 2024 without JEE; top government engineering colleges, upcoming entrance exams

Latest Question