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Wave Optics Challenge
JEE Physics • 10 questions • Free on ExamBattle
Practice Questions
Q1
In Young's double slit experiment, the fringe width β is given by:
- A. λd/D
- B. λD/d
- C. dD/λ
- D. λd²/D
Q2
When a thin film of thickness t and refractive index μ is placed in the path of one slit, the central fringe shifts by:
- A. (μ-1)tD/d
- B. μtD/d
- C. (μ-1)td/D
- D. μt/d
Q3
In single slit diffraction, the angular width of the central maximum is:
- A. λ/a
- B. 2λ/a
- C. λ/(2a)
- D. 3λ/a
Q4
Brewster's angle for a medium of refractive index √3 is:
- A. 30°
- B. 60°
- C. 45°
- D. 90°
Q5
In YDSE, if one slit is covered, the pattern becomes:
- A. Brighter interference
- B. Single slit diffraction
- C. No pattern
- D. Same interference
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