Ray Optics and Optical Instruments

Related Questions

• When light of wavelength $\lambda $ is incident on an equilateral prism kept in its minimum deviation position, it is found that the angle of deviation equals the angle of the prism itself. The refractive index of the material of the prism for the wavelength $\lambda $ is, then

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• Missing lines in a continuous spectrum reveal

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• With respect to air critical angle in a medium for light of red colour $[{{\lambda }_{1}}]$ is $\theta $. Other facts remaining same, critical angle for light of yellow colour $[{{\lambda }_{2}}$] will be

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• Dark lines on solar spectrum are due to

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• The figures represent three cases of a ray passing through a prism of angle A. The case corresponding to minimum deviation is

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