Ray Optics and Optical Instruments

Related Questions

• The speed of light in air is $3\times {{10}^{8}}\,\,m/s$. What will be its speed in diamond whose refractive index is 2.4

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• Line spectrum was first of all theoretically explained by

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• The time taken by sunlight to cross a 5 mm thick glass plate $(\mu =3/2$) is

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• Light takes 8 min 20 sec to reach from sun on the earth. If the whole atmosphere is filled with water, the light will take the time ($_{a}{{\mu }_{w}}=4/3$)

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• The refractive index of the material of the prism for violet colour is 1.69 and that for red is 1.65. If the refractive index for mean colour is 1.66, the dispersive power of the material of the prism

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