AIIMS 201826 May
- Exam
- AIIMS
- Year
- 2018
- Date
- 26 May
- Subject
- Physics
- Chapter
- Wave Optics
AIIMS 2018 · 26 May · Physics · Wave Optics
Assertion : In Young's double slit experiment, interference pattern...
Assertion : In Young's double slit experiment, interference pattern disappears when one of the slits is closed.
Reason : Interference occurs due to superposition of light waves from two coherent sources.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of assertion.
- CIf assertion is true but reason is false.
- DIf both assertion and reason are false.
Correct answer
A. If both assertion and reason are true and reason is the correct explanation of assertion.
Step-by-step solution
When one of the slits is closed, there appears general illumination from a single source. Interference does not take place.