A concave mirror has radius of curvature of 
It isat the bottom of a glass that has water filled up to 
(see figure). If a small partricle is floating on the surface of water, its image as seen, from directly above the glass, is at a distance 
from the surface of water. The value of 
isclose to:
(Refractive index of water 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
JEE Main 2019
If 
is the distance of image formed by mirror, then
or 
Distance of this image from water surface
Using, 
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