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

`30 cm` left

Infinity

`1 cm` to the right

`18 cm` to the left

Text Solution

Verified by Experts

The correct Answer is:

By using formula `(mu_(2))/(v)-(mu_(1))/(u)=(mu_(2)-mu_(1))/(R)`
`=(1.5)/(v)-(1)/((-15))=((1.5-1))/(+30)=v=-30cm`
Negative sign shows that image is obtained on the same side of object , `i.e.`, towards left.

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