Exams › NEET › Physics

For constructive interference to take place between two monochromatic light waves of wavelength  , the path difference should be

1. 4 ) 1 2 (   n
2. 2 ) 1 2 (   n
3.  n
4. 2 ) 1 2 (   n

Correct answer:  n

Related NEET Physics questions

• Two coherent monochromatic light beams of intensities I and 4 I are superposed. The maximum and minimum possible intensities in the resulting beam are
• The similarity between the sound waves and light waves is
• Intensity of light depends upon
• Two beams of light having intensities I and 4 I interfere to produce a fringe pattern on a screen. The phase difference between the beams is 2  at point A and  at point B . Then the difference between the resultant intensities at A and B is
• Two waves are represented by the equations t a y  sin 1  and . cos 2 t a y   The first wave
• The intensity ratio of maximum and minimum of interference fringes is

⚔️ Practice NEET Physics free + battle 1v1 →