Ray Optics and Optical Instruments

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Q JEE MAIN 2021

A prism of refractive index $n_1$ and another prism of refractive index $n_2$ are stuck together (as shown in the figure). $n_1$ and $n_2$ depend...

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Q JEE MAIN 2021

The expected graphical representation of the variation of angle of deviation ' $\delta$ ' with angle of incidence ' i ' in a prism is...

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Q JEE MAIN 2021

A ray of light passes from a denser medium to a rarer medium at an angle of incidence $i$. The reflected and refracted rays make...

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Q JEE MAIN 2021

The relative permittivity of distilled water is 81 . The velocity of light in it will be : (Given $\left.\mu_r=1\right)$

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Q JEE MAIN 2021

Three rays of light, namely red (R), green (G) and blue (B) are incident on the face PQ of a right angled prism PQR as...

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Q JEE-MAIN 2021

The image of an object placed in air formed by a convex refracting surface is at a distance of 10 m behind the surface. The...

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Q JEE MAIN 2021

A deviation of 2° is produced in the yellow ray when prism of crown and flint glass are achromatically combined. Taking dispersive powers of crown...

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Q JEE MAIN 2021

Red light differs from blue light as they have:

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Q _JEE_MAIN_2021

The thickness at the centre of a plano convex lens is 3 mm and the diameter is 6 cm . If the speed of light...

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Q JEE MAIN 2021

Your friend is having eye sight problem. She is not able lo see clearly a distant uniform window mesh and it appears to her as...

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