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A point object O is placed in front of a...

A point object `O` is placed in front of a glass rod having spherical end of radius of curvature `30cm`. The image would be formed at

A

30 cm left

B

Infinity

C

1 cm to the right

D

18 cm to the left

Text Solution

Verified by Experts

The correct Answer is:
A
`(n_(2))/(v) - (n_(1))/(u) = (n_(2) - n_(2))/(R )`
`rArr (1.5)/(v) - (1)/((-15)) = (1.5 - 1)/(30) rArr v = -30 `cm
(-) sign indicates that, image is formed at same side of object. (i.e. left side).
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