KCET2012PhysicsWave Optics
For sustained interference fringes in double slit experiment, essential condition/s is/are 1. sources must be coherent. 2. the intensities of the two sources must be equal. Here, the correct option/s is/are
Options
- ANeither (1) nor (2)
- BBoth (1) and (2)
- COnly (1)
- DOnly (2)
Correct answer
B. Both (1) and (2)
Step-by-step solution
For sustained interference, sources must be coherent and the intensities of two sources must be nearly equal.