Ray Optics and Optical Instruments

Related Questions

• A beam of light composed of red and green ray is incident obliquely at a point on the face of rectangular glass slab. When coming out on the opposite parallel face, the red and green ray emerge from

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• A convex mirror is used to form the image of an object. Then which of the following statements is wrong

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• The focal length of the objective of a terrestrial telescope is 80 cm and it is adjusted for parallel rays, then its magnifying power is 20. If the focal length of erecting lens is 20 cm, then full length of telescope will be

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• In a simple microscope, if the final image is located at infinity then its magnifying power is

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• Two vertical plane mirrors are inclined at an angle of $60^\circ $ with each other. A ray of light travelling horizontally is reflected first from one mirror and then from the other. The resultant deviation is

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