Ray Optics and Optical Instruments

Related Questions

• Resolving power of a microscope depends upon

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• Two points separated by a distance of 0.1 mm can just be resolved in a microscope when a light of wavelength 6000 Å is used. If the light of wavelength 4800Å is used this limit of resolution becomes

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• In a compound microscope, the intermediate image is

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• A glass convex lens $({{\mu }_{g}}=1.5)$ has a focal length of $8\,cm$ when placed in air. What would be the focal length of the lens when it is immersed in water ( ${{\mu }_{w}}=1.33$)

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• Two thin lenses whose powers are +2D and –4D respectively combine, then the power of combination is

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