Categories > wave-optics > Diffraction of Light > A plane wavefront $(\lambda = 6 \times {10^{ - 7}}m)$ falls on a slit $0.4\,mm$ wide. A convex lens of focal length $0.8\,m$ placed behind the slit focusses the light on a screen. What is the linear diameter of second maximum

wave-optics

Question: A plane wavefront $(\lambda = 6 \times {10^{ - 7}}m)$ falls on a slit $0.4\,mm$ wide. A convex lens of focal length $0.8\,m$ placed behind the slit focusses the light on a screen. What is the linear diameter of second maximum


1) $6\,mm$
2) $12\,mm$
3) $3\,mm$
4) $9\,mm$
Solution: Explanation: No Explanation
Diffraction of Light

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