Published by:
CGP EDU Academic Team
Published on: September 12, 2026
White light is passed through a double slit and interference is observed on a screen 1.5m away. The separation between the slits is 0.3mm. The first violet and red fringes are formed 2.0mm and 3.5mm away from the central white fringes. The difference in wavelengths of red and voilet light is .......nm
Text Solution
Verified by ExpertsThe correct answer is:
300
(300)
Position of bright fringe 
of red 

Similarly, 


Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Two coherent sources of sound, and , produce sound waves of the same wavelength, , in phase. an…
Three harmonic waves having equal frequency and same intensity , have phase angles and respecti…
The 0equations of two waves are given by:
These waves are simultaneously passing through a string…
Two light beams of intensities in the ratio of 9 : 4 are allowed to interfere. The. ratio of the in…
The velocity of sound in a gas. in which two wavelengths 4.08m and 4.16m produce 40 beats in 12s, w…
Two travelling waves of equal amplitudes and equal frequencies move in opposite directions along a …