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A spherical surface S separates two medi...

A spherical surface S separates two media 1 and 2 as shown in figure .Find where an object O is placed in medium -I so that the light rays from object after refraction becomes parallel to optic of this system

240 cm

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A spherical surface of radius R ssparates two media of refractive indices mu_(1) and mu_(1) as shown in figure., Where should an object be placed in medium 1 so that a real image is formed in medium 2 at the same distance?

A spherical surface of radius 30 cm separates two transparent media A and B with refractive indices 1'33 and 1.48 respectively. The medium A is on the convex side of the surface. Where should a point object be placed in medium A so that the paraxial rays become parallel after refraction at the surface ?

Knowledge Check

  • In Figure, a point object O is placed in air. A spherical boundary separates two media. Ab is the principall axis. The refractive index above AB is 1.6 and below AB is 2.0. The separation between the images formed due to refraction at a the spherical surface is (assume the radius of curvature (R) to be 1 unit)

    A
    12m
    B
    20m
    C
    14m
    D
    10m

  • A curved surface of radius R separates two medium of refractive indices mu_(1) "and" mu_(2) as shown in figures A and B . Choose the correct statement(s) related to the real image formed by the object O placed at a distance x, as shown in figure A.

    A
    Real image is always formed irrespective of the position of object `mu_(2) gt mu_(1)`
    B
    Real image is formed only when x>R
    C
    Real image is formed due to the convex nature of the interface irrespective of `mu_(1)` and `mu_(2)`
    D
    None of these

  • A curved surface of radius R separates two medium of refractive indices mu_(1) and mu_(2) as shown in figures A and B Choose the correct statement(s) related to the real image formed by the object O placed at a distance x, as shown in figure A

    A
    Real image is always formed irrespective of the position of object if `mu_(2) gt mu_(1)`
    B
    Real image is formed only when `x gt R`
    C
    Real image is formed due to the convex nature of the interface irrespective of `mu_(1)` and `mu_(2)`
    D
    None of these

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    An object O is stuck on the surface of a transparent solid spher of radius 20 cm. Find refractive index of the sphere such that rays from the object after refraction from the opposite side emerge as a parallel beam, as shown Also prove that refractive index has the same value in the given situation for any value of radius of sphere.

    A convex refracting surface of radius of curvature 20 cm separates two media of refractive indices 4//3 and 1.60 . An object is placed in the first medium (mu = 4//3) at a distance of 200 cm from the refracting surface. Calculate the position of image formed.

    A light ray travels from a medium 1 to medium 2 as shown in the figure . If the refractive of midium 1 is 2 sqrt2 , determine the refractive index of medium 2.

    A spherical surface of radius 30cm separates two transparent media A and B with refractive indiecs 1.33 and 1.48 , respectively. The medium A is on the convex side of the surface. Where should a point object the placed in medium A so that the paraxial rays become parallel after refraction at the surface?

    A concave spherical surface of radius of curvature 100 cm separates two media of refractive indices 1.50 and (4)/(3) . An object is kept in the first medium at a distance of 30 cm from the surface. Calculate the position of the image.

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