BdPhO Regional (Dhaka-South) Higher Secondary 2019/1

Discuss Physics and Physics Olympiad related problems here
User avatar
SINAN EXPERT
Posts:38
Joined:Sat Jan 19, 2019 3:35 pm
Location:Dhaka, Bangladesh
Contact:
BdPhO Regional (Dhaka-South) Higher Secondary 2019/1

Unread post by SINAN EXPERT » Fri Apr 26, 2019 4:35 pm

BdPhO Regional (Dhaka-South) Higher Secondary 2019(1).png
BdPhO Regional (Dhaka-South) Higher Secondary 2019(1).png (6.12KiB)Viewed 45255 times
A coherent beam of monochromatic light of wavelength $500$ $nm$ is directed towards two thin slits separated by a distance of $1$ $mm$. If the screen covers an angular region of $60˚$, as shown in the figure, approximately how many bright interference bands are visible on the screen?
$The$ $only$ $way$ $to$ $learn$ $mathematics$ $is$ $to$ $do$ $mathematics$. $-$ $PAUL$ $HALMOS$

Post Reply