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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 26 - Geometrical Optics > Two thin lenses are placed 5cm apart along the same axis and illuminated with a beam of light parallel to that axis. The first lens in the path of the beam is a converging lens of focal length 10cm whereas the second is a diverging lens of focal length 5cm. If the second lens if now moved toward the first, the emergent light

Two thin lenses are placed 5cm apart along the same axis and illuminated with a beam of light parallel to that axis. The first lens in the path of the beam is a converging lens of focal length 10cm whereas the second is a diverging lens of focal length 5cm. If the second lens if now moved toward the first, the emergent light

A beam of light propagates through a medium 1 and falls onto another medium 2 at an angle α 1 as shown in Fig. After that it propagates in medium 2 at an angle α2 as shown. The light's wavelength in medium 1 is λ1. What is the wavelength of light in medium 2?