Engineering Board Exam Reviewer · Physics · hard
In Young's double-slit experiment, light of wavelength 600 nm passes through slits 0.2 mm apart onto a screen 1 m away. What is the spacing between adjacent bright fringes?
- 1.5 mm
- 3.0 mm
- 0.30 mm
- 3000 mm
Answer
B. 3.0 mm
Solution
y = L/d = (600 × 10-9)(1)/(0.2 × 10-3) = 0.0030 m = 3.0 mm.
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