Suppose that the central diffraction envelope of a double-slitdiffraction patter

Question

Suppose that the central diffraction envelope of a double-slitdiffraction pattern contains 13 brightfringes and the first diffraction minima eliminate (are coincidentwith) bright fringes. How many bright fringes lie between the firstand second minima of the diffraction envelope?
bright fringes
Apparently I'm confused. Please Help! Suppose that the central diffraction envelope of a double-slitdiffraction pattern contains 13 brightfringes and the first diffraction minima eliminate (are coincidentwith) bright fringes. How many bright fringes lie between the firstand second minima of the diffraction envelope?
bright fringes
Apparently I'm confused. Please Help!

Explanation / Answer

    in the given problem we can see that the brightfringes occur at angles given by     d sin = m     where m is an integer     for the slits of this problem     d = 13 a / 2     a sin = 2 m / 13     the first minimum of the diffraction patternoccurs at the angle 1 given y     a sin1 =     the second occurs at     a sin2 = 2     where a is the slit width     we should count the values of m for which     1 <

Related Questions

Navigate

• Browse (All)
• Browse S
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.