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Consider a point at the focal point of a convergent lens. Another convergent lens of short focal length is placed on the other side. What is the nature of the wavefronts emerging from the final image?
Consider a point at the focal point of a convergent lens. Another convergent lens of short focal length is placed on the other side. What is the nature of the wavefronts emerging from the final image?
CBSE | Class 12 | ncert exemplar | Physics | Wave Optics
Consider a point at the focal point of a convergent lens. Another convergent lens of short focal length is placed on the other side. What is the nature of the wavefronts emerging from the final image?

Wavefront and ray orientations are perpendicular to each other. L1 is the source of parallel rays that produce I2 at the focal length of the lens in the diagram above. The created picture serves as L2, causing the light rays to converge towards L2 and form the final image I.

i

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