Question

Select the appropriate position where a slit should be made so that the observer is able to see the light from the candle.​​​​​​​

• A. Position A
• B. Position B
• C. Position C
• D. All of the positions

Answer 1

The correct option is B Position B

Since the light travels in a straight line in a medium, the hole at the point B will allow the light from the candle to reach the observer.