Ray Optics and Optical Instruments

Related Questions

• When the convergent nature of a convex lens will be less as compared with air

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• Radius of curvature of concave mirror is $40cm$ and the size of image is twice as that of object, then the object distance is

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• A convex lens of focal length 40 cm is in contact with a concave lens of focal length 25 cm. The power of combination is

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• All of the following statements are correct except

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• A double convex lens $({{R}_{1}}={{R}_{2}}=10\,cm)$ $(\mu =1.5)$ having focal length equal to the focal length of a concave mirror. The radius of curvature of the concave mirror is

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