Ray Optics and Optical Instruments

Related Questions

• A point object is placed at a distance of $10\,cm$ and its real image is formed at a distance of $20\,cm$ from a concave mirror. If the object is moved by $0.1cm$ towards the mirror, the image will shift by about

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• Angle of deviation $(\delta $) by a prism (refractive index = $\mu $ and supposing the angle of prism A to be small) can be given by

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• A convex lens of focal length $0.5 m$ and concave lens of focal length $1 m$ are combined. The power of the resulting lens will be

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• Retina of eye acts like ........ of camera

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• A convex lens of focal length $f$ produces an image $\frac{1}{n}$ times than that of the size of the object. The distance of the object from the lens is

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