Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:

In a Young's double slit experiment two narrow slit 0.8 mm apart are illuminated by the same source of yellow light (l = 5893 Å). If distance between slits and screen is 2m then separation between adjacent bright lines will be

Options:

14.73 mm

14.73 cm

1.473 mm

147.3 mm

Correct Answer:

14.73 mm

Explanation:

$∞\frac{λD}{d}=\frac{5893×10^{-8}×200}{0.08}=0.1473cm$