Question
Refraction takes place at a convex spherical boundary separating air-glass medium. For the image to be real, the object distance (μg=32)
Answer: Option A
:
A
Applying μ2v−μ1u=μ2−μ1R
1.5v−1−u=(1.5)−1R
Dividing with 1.5 on both the sides.
or 1v+23u=13R
For v to be positive 13R>23u
or u>2R
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:
A
Applying μ2v−μ1u=μ2−μ1R
1.5v−1−u=(1.5)−1R
Dividing with 1.5 on both the sides.
or 1v+23u=13R
For v to be positive 13R>23u
or u>2R
Was this answer helpful ?
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