Ray Optics and Optical Instruments

Related Questions

• A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm. Then the refractive index of the material of the cube is

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• Minimum deviation is observed with a prism having angle of prism $A$, angle of deviation $\delta $, angle of incidence $i$ and angle of emergence $e$. We then have generally

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• Line spectra are due to

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• A concave mirror gives an image three times as large as the object placed at a distance of $20cm$ from it. For the image to be real, the focal length should be

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• Under minimum deviation condition in a prism, if a ray is incident at an angle $30^o$, the angle between the emergent ray and the second refracting surface of the prism is

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