Optics: JEE Main 2024 Physics question

JEE Main 2024 · 4 Apr, Morning shift · Q7056

JEE Main 20244 Apr, Morning shiftPhysicsMediumOptics190× since 2002

An effective power of a combination of 5 identical convex lenses which are kept in contact along the principal axis is

25 \mathrm{D}

. Focal length of each of the convex lens is:

JEE Main 2024 · 4 Apr, Morning shift · Q7056

JEE Main 20244 Apr, Morning shiftPhysicsMediumOptics190× since 2002

An effective power of a combination of 5 identical convex lenses which are kept in contact along the principal axis is

25 \mathrm{D}

. Focal length of each of the convex lens is:

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