In Young's experiment, coherent sources are obtained by:

  1. dividing light from one source using two slits
  2. using sunlight directly with no slit
  3. using two separate lamps
  4. using two lasers of different colours
Answer

A) dividing light from one source using two slits

Both slits get light from the same wavefront. SLO P-11-D-14 · Understanding

Physics MCQ · More Superposition, Stationary Waves and Beats MCQs · Practise