Ray Optics and Optical Instruments

Related Questions

• Missing lines in a continuous spectrum reveal

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• Which of the following element was discovered by study of Fraunhofer lines

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• Glass has refractive index $\mu$ with respect to air and the critical angle for a ray of light going from glass to air is $\theta$. If a ray of light is incident from air on the glass with angle of incidence $\theta$, the corresponding angle of refraction is

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• A ray of monochromatic light is incident on one refracting face of a prism of angle 75°. It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the material of the prism is $\sqrt{2}$, the angle of incidence on the first face of the prism is

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• A person's near point is 50 cm and his far point is 3 m. Power of the lenses he requires for (i) reading and (ii) for seeing distant stars are

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