Ray Optics and Optical Instruments

Related Questions

• The frequency of a light ray is $6\times {{10}^{14}}Hz.$Its frequency when it propagates in a medium of refractive index $1.5$, will be

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• If an object is placed $10cm$ infront of a concave mirror of focal length $20cm,$ the image will be

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• The far point of a myopia eye is at 40 cm. For removing this defect, the power of lens required will be

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• The true statement is

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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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