Ray Optics and Optical Instruments

Related Questions

• An object is placed at a distance of 20 cm from a convex lens of focal length 10 cm. The image is formed on the other side of the lens at a distance

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• A concave mirror of focal length 15 cm forms an image having twice the linear dimensions of the object. The position of the object when the image is virtual will be

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• The chromatic Aberration in lenses becomes due to

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• A vessel of depth 2d cm is half filled with a liquid of refractive index ${{\mu }_{1}}$ and the upper half with a liquid of refractive index ${{\mu }_{2}}$. The apparent depth of the vessel seen perpendicularly is

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• The resolving power of a telescope whose lens has a diameter of 1.22 m for a wavelength of 5000 Å is

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