Ray Optics and Optical Instruments

Related Questions

• Critical angle of light passing from glass to air is minimum for

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• A person can not see the objects clearly placed at a distance more than 40 cm. He is advised to use a lens of power

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• If the wavelength of light in vacuum be $\lambda$, the wavelength in a medium of refractive index $n$ will be

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• Finger prints are observed by the use of

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• A compound microscope has an eye piece of focal length 10 cm and an objective of focal length 4 cm. Calculate the magnification, if an object is kept at a distance of 5 cm from the objective so that final image is formed at the least distance vision (20 cm)

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