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In the figure shown , a point object O i...

In the figure shown , a point object O is placed in air on the principal axis. The radius of curvature of the spherical surfaces is `60 cm.` I is the final image formed after all reflections and refractions.

A

If `d_(1)` = 120 cm, then the `‘I_(f)’` is formed on ‘O’ for any value of `d_(2)`.

B

If `d_(1)` = 240 cm, then the `‘I_(f)’` is formed on ‘O’ only if `d_(2)` = 360 cm.

C

If `d_(1)` = 240 cm, then the `‘I_(f)’` is formed on ‘O’ for all value of `d_(2)`.

D

If `d_(1)` = 240 cm, then the `‘I_(f)’` cannot be formed on ‘O’.

Text Solution

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The correct Answer is:
A, B
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